"a" is the length of one of its sides.
ʌ WORD_BOUNDARY ɪ z WORD_BOUNDARY ð ə WORD_BOUNDARY l ɛ ŋ θ WORD_BOUNDARY ʌ v WORD_BOUNDARY w ʌ n WORD_BOUNDARY ʌ v WORD_BOUNDARY ɪ t s WORD_BOUNDARY s aɪ d z WORD_BOUNDARY