foofoo foofur forfry forout forrot foryou forytt foufou fourof fourou fourto fourty froofy fukuro furfur furour furrfu futory futuro fuyuko kkoktu koffry kofuku kok-oy kokofu kokoku kokoro kokory kokott kokufu kookoo kookyo kootoo koottu korkor korkut kororo koruru koryu kotoko kottur kotuku kouffo koukou kouoro kourou kourtt koutou koytur kuo-fu kuroko kurort kururu offutt oftfor oftroy ofyork oofotr ookroo oooooo ororry orrour orrouy ottoor outfor outour outtro rokkor rokuko rokuro rootof rotork rotour rotout rotrou rouffy routot rukutu rurutu rutour rykoff ryukyu ryuo tkoutt to-fro tokoyo tokuko tokuro tookto tootoo torfou tororo tortor tortou toryfy totoro totrot tou-fu toukyo tourou toutou toutry toutuo toyoko trokut trotro trotty trouty tryfor tryout trytry tuktuk tukuyu tuotuo turko- turoyo turtuk turtur tururu turytt tutory tutour tuttut utkoor utroor utukku utukur yoroko youtoo youtry yoyoyo yttro-