hohhot hohloh hohoho hok-lo hokpok holhol holloo hollop holoor hoohoo hookor hoopoo hooroo hoplo- hororo horror hortor hotoro hotpot hottot k-tool kholop khorlo khorol khoroo klokot klopot klotho klotok kokkoh kokolo kokopo kokoro kokott kololo kolpo- kookoo koopoo kootoo koprol korkor kororo kotoko lloro lo-pro lollop lookto looloo lopho- loplop lotkoh lotoko lotorp lotpot lphoto o-hook ohlook ohohoh oholot ohpooh ohtoto okollo okpoko oohooh ookroo oooooo oporto optoro orrho- ortho- ortprk ottoor phlor- phlppl phoro- photo- phthor plplot poktho pollok polpol polpot pookoo poopoo popopo poporo poppop poptop pottok pottop pppppp prokop prolok proph- propho proto- r-loop rokkor rokpol rollot rothko rotolo rotork thorl thoro- throll throop tkhkot tohoro toohot tookto tootoo toppop toprol tororo toroth torpor tortor totopo totoro totrot trollt troph- tropo- troppo trotro