um not always positive
um not always positive .
ʌ m WORD_BOUNDARY n ɑː t WORD_BOUNDARY ɔː l w eɪ z WORD_BOUNDARY p ɑː z ɪ t ɪ v WORD_BOUNDARY
u m WORD_BOUNDARY n o t WORD_BOUNDARY a l w a y s WORD_BOUNDARY p o s i t i v e WORD_BOUNDARY