Answer:
安 AN, yasu(i) - peace, cheap
以 I - Exceeding
宇 U - heaven
衣 I, koromo - garment, clothing
於 U, O, o(ite), yori - in, at
They are the kanji on which the first five hiragana are based.
あ hiragana "a"
い hiragana "i"
う hiragana "u"
え hiragana "e"
お hiragana "o"