about sixty years ago
about sixty year ago
prep det:num n post
about sixty years ago .
ɐ b aʊ t WORD_BOUNDARY s ɪ k s t i WORD_BOUNDARY j ɪ ɹ z WORD_BOUNDARY ɐ ɡ oʊ WORD_BOUNDARY
a b o u t WORD_BOUNDARY s i x t y WORD_BOUNDARY y e a r s WORD_BOUNDARY a g o WORD_BOUNDARY