what about a number
what about a number?
w ʌ t WORD_BOUNDARY ʌ b aʊ t WORD_BOUNDARY ʌ WORD_BOUNDARY n ʌ m b ə ɹ WORD_BOUNDARY
w h a t WORD_BOUNDARY a b o u t WORD_BOUNDARY a WORD_BOUNDARY n u m b e r ? WORD_BOUNDARY