-hou -ous cccc cccs cccu cchr cchs ccoc ccrc ccrs ccss ccuc ccus chch chcs chhs choc choh choo chor chos chou chrc chro chrr chrs chsc chsh chsr chur chus coch coco cocu coho cohs cooh coos cor- corc coro corr cors cosc cosh coso coss cour cous crcc crcr crhs croc croh croo cror crss crus cscc csch csco cscr cscs cshs csor csos csrc csrs cssr csur csus cucc curo curr curs cush cuso cuss cusu hccc hcch hccs hchs hcsc hcso hcss hhhh hhhs hhus hoch hocr hocs hoho hoor hoos horc horo horr hors hosh hoss hour hrhs hros hrrc hrso hscc hshs hsur huch hucs hucu huhs huhu huor huos huro hurr hurs huru hush huso huss huus occc ochs ocos ocro ocrr ocrs ocur ohcc ohho ohhs ohoh ohos ohso ohss ohus oocr ooho oohs oooh oooo ooos oous orch orco orcs orhs oro- oror oros orro orrs orso orsu orus oscc osco oshc osho oshs oshu osoo osor osos osro osso ossu oucc ouch our- ouro ours ouu- rccc rccs rchs rcos rcsc rcss rhhs rhoc rhoh rhos rhus rocc roch roco rocs rohr rohs rohu roor roos rorc roro roru rosc rosh roso ross rouh rous rrhs rrrr rscc rsch rscs rshs rsos ruch ruhh ruhr ruhs rurc ruro rurs ruru rush ruso russ rusu s-os sccc sccs sch- schh scho schr schs scoh scoo scor scr- scrc scrs scsc scsh scso scsr scsu scur shcc shhh shhs shoo shor shos shou shrs shsc shur shus shuu soch soco socr socs sohh soho sohs sohu soor soos sorh soro sorr sors soru sosh soso soss sour sous srcc srch srhs sros sscc sscs sshs ssoc ssrc ssrs sssc sssh ssss suc- succ such sucr sucs suho suhr suoh suor suos sur- surc suro surr surs suru sus- suso suss susu suus ucho uchs ucos ucrc ucsc ucsu uhoh uhrs uhss uhuh uocc uor- urch urho uro- uroo urrh urso urss ursu urur urus uscc usch usco uscs usho ushr ushs ushu usoc usos ussc ussr usss ussu usus uuoc uuuu