dododo dogfur dogood doorto dorood dororo dotdot dotodo dotorg doudou dourou doutou doutro drouot dufour dugdug dugout durtro fogdog foodog foofoo foofur forgot forout forrot foufou fougou fourgo fourof fourou fourto froggo furfur furour furrfu futuro go-off go-out goddod goddot godord gogoro good-o goodto googoo gooroo gorgor gotoff gotour gotout goudou gourou grorud grotto grouff grugru guduru gurugu gutrot guttur ofdoor off-go offord offutt oftfor oofotr oooooo oordoo ordoru orford orrour ortrud ortug otford ottoor outfor outour outtro rogoff roogoo rootof rorodt rotgut rotour rotout rotrou routot rudgur rudrur rurutu rutour to-fro togout togrog tootoo torfou torgod torgot torgut torodo tororo tortor tortou totoro totrot tou-fu toudou tourou toutou toutuo troggu trotro tugrug tuotuo turgor turgot turgut turtur tururu tutour tuttut ufford urdorf utroor