Okay, I have to go but before I do I am going to 'guess' a word so that it is possible to get it right because with it you now have all the letters. Good Luck
pretty: oo
demons: ooo
should: xo
become: xoo
fairly: _
yellow: oo
theoom: ooo
asleep: xo
sloped: xxo
speedo: xoo
scoops: xoo
stomps: xoo
skates: xxoo