-hou -ous ffff ffhs ffrr ffss fhfs fhhs fhrs fhss fofo fohr fohs foof foos for- foro forr fors fosh foso foss four fous frhs froh fros frou frso fsfo fshs fssf fuff fufu fuhs fuor fur- furo furr furs fuso fuss fusu hfhs hfrs hfss hhhh hhhs hhof hhus hoff hofs hofu hoho hoof hoor hoos horo horr hors hosh hoss houf hour hrhs hros hrso hsfs hshs hsur huff hufs hufu huhs huhu huor huos huro hurr hurs huru hush huso huss huus off- offh offo offr offs offu ofor ofus ohho ohhs ohoh ohos ohso ohss ohus ooff oofs ooho oohs oooh oooo ooos oous orff orfs orfu orhs oro- orof oror oros orro orrs orso orsu orus osho oshs oshu osoo osor osos osro osso ossu ouff our- ouro ours ouu- rfhs rhfs rhhs rhoh rhos rhus roff rofo rohr rohs rohu roof roor roos roro roru rosh roso ross rouf rouh rous rrhs rrrr rshs rsos ruff rufo ruhh ruhr ruhs ruro rurs ruru rush ruso russ rusu s-os sfhs sfor sfos sfro sfss sfsu shhh shhs shof shoo shor shos shou shrs shuf shur shus shuu sofo sohh soho sohs sohu soof soor soos sorh soro sorr sors soru sosh soso soss souf sour sous srhs sros sshs ssrs sssf sssh ssss suf- suff sufr sufs sufu suho suhr suoh suor suos sur- surf suro surr surs suru sus- suso suss susu suus ufos uhoh uhrs uhss uhuh uofo uor- urff urho uro- uroo urrh urso urss ursu urur urus usfs usho ushr ushs ushu usos ussf ussr usss ussu usus uuuu