sun up to sun down
sun up to sun down
v adv prep n adv
sun up to sun down.
s ʌ n WORD_BOUNDARY ʌ p WORD_BOUNDARY t ə WORD_BOUNDARY s ʌ n WORD_BOUNDARY d aʊ n WORD_BOUNDARY
s u n WORD_BOUNDARY u p WORD_BOUNDARY t o WORD_BOUNDARY s u n WORD_BOUNDARY d o w n . WORD_BOUNDARY