hirigana <=> kanji

 As I mentioned earlier, not all hiragana characters have a direct correlation to a particular kanji, but here are some hiragana characters that do have kanji origins:

- あ (a) is believed to be derived from the kanji 安 (an), which means "peaceful" or "calm".

- い (i) is believed to be derived from the kanji 以 (i), which means "to use" or "compared to".

- う (u) is believed to be derived from the kanji 宇 (u), which means "outer space" or "universe".

- え (e) is believed to be derived from the kanji 衣 (i), which means "clothing" or "garment".

- お (o) is believed to be derived from the kanji 於 (o), which can mean "at" or "in".

- か (ka) is believed to be derived from the kanji 加 (ka), which means "add" or "increase".

- き (ki) is believed to be derived from the kanji 木 (ki), which means "tree" or "wood".

- く (ku) is believed to be derived from the kanji 久 (kyuu), which means "long time" or "eternity".

- け (ke) is believed to be derived from the kanji 気 (ki), which means "spirit" or "energy".

- こ (ko) is believed to be derived from the kanji 己 (ki), which can mean "self" or "oneself".

- さ (sa) is believed to be derived from the kanji 左 (sa), which means "left".

- し (shi) is believed to be derived from the kanji 之 (shi), which is an archaic character that can mean "of" or "this".

- す (su) is believed to be derived from the kanji 寸 (sun), which is a unit of measurement equivalent to approximately 3.03 centimeters.

- せ (se) is believed to be derived from the kanji 世 (se), which means "world" or "generation".

- そ (so) is believed to be derived from the kanji 曽 (so), which can mean "formerly" or "once".

- た (ta) is believed to be derived from the kanji 多 (ta), which means "many" or "much".

- ち (chi) is believed to be derived from the kanji 知 (chi), which means "to know" or "knowledge".

- つ (tsu) is believed to be derived from the kanji 川 (kawa), which means "river".

- て (te) is believed to be derived from the kanji 手 (te), which means "hand".

- と (to) is believed to be derived from the kanji 止 (to), which means "stop" or "halt".

- な (na) is believed to be derived from the kanji 奈 (na), which is a very old and rare character that doesn't have a clear meaning.

- に (ni) is believed to be derived from the kanji 仁 (jin), which means "benevolence" or "humanity".

- ぬ (nu) is believed to be derived from the kanji 奴 (nu), which is a derogatory term for a man or servant.

- ね (ne) is believed to be derived from the kanji 祢 (ne), which is a very rare character that doesn't have a clear meaning.

- の (no) is believed to be derived from the kanji 乃 (nai), which is an archaic character that can mean "from" or "therefore".

- は (ha) is believed to be derived from the kanji 波 (ha), which means "wave".

- ひ (hi) is believed to be derived from the kanji 日 (hi), which means "sun" or "day".

- ふ (fu) is believed to be derived from the kanji 不 (fu), which means "not" or "un-".

- へ (he) is believed to be derived from the kanji 部 (bu), which means "part" or "division".

- ほ (ho) is believed to be derived from the kanji 保 (ho), which means "to protect" or "to preserve".

- ま (ma) is believed to be derived from the kanji 末 (matsu), which means "end" or "tip".

- み (mi) is believed to be derived from the kanji 見 (mi), which means "to see" or "to look".

- む (mu) is believed to be derived from the kanji 武 (bu), which means "military" or "warrior".

- め (me) is believed to be derived from the kanji 女 (onna), which means "woman" or "female".

- も (mo) is believed to be derived from the kanji 毛 (ke), which means "hair" or "fur".

- や (ya) is believed to be derived from the kanji 也 (ya), which is an archaic character that can mean "also" or "too".

- ゆ (yu) is believed to be derived from the kanji 由 (yuu), which means "cause" or "reason".

- よ (yo) is believed to be derived from the kanji 余 (yo), which means "excess" or "surplus".

I hope this helps!