upstairs or downstairs
upstairs or downstairs
adv coord adv
upstairs or downstairs ?
ʌ p s t ɛ ɹ z WORD_BOUNDARY ɔː ɹ WORD_BOUNDARY d aʊ n s t ɛ ɹ z WORD_BOUNDARY
u p s t a i r s WORD_BOUNDARY o r WORD_BOUNDARY d o w n s t a i r s WORD_BOUNDARY