that must be for making rocks
that must be for make rock
pro:dem mod cop prep n:gerund n
that must be for making rocks .
ð æ t WORD_BOUNDARY m ʌ s t WORD_BOUNDARY b iː WORD_BOUNDARY f ɔː ɹ WORD_BOUNDARY m eɪ k ɪ ŋ WORD_BOUNDARY ɹ ɑː k s WORD_BOUNDARY
t h a t WORD_BOUNDARY m u s t WORD_BOUNDARY b e WORD_BOUNDARY f o r WORD_BOUNDARY m a k i n g WORD_BOUNDARY r o c k s WORD_BOUNDARY