mamma mamma ahaha mamma
mamma mamma ahaha mamma .
m a m m a WORD_BOUNDARY m a m m a WORD_BOUNDARY a h a h a WORD_BOUNDARY m a m m a WORD_BOUNDARY
m a m m a WORD_BOUNDARY m a m m a WORD_BOUNDARY a h a h a WORD_BOUNDARY m a m m a WORD_BOUNDARY