cccc cccp cccs cchp cchs ccoc ccow ccpp ccps ccsp ccss chch chcp chcs chhs choc choh choo chop chos chow chpp chsc chsh chsw chwo coch coco cocp coho cohs cooh coop coos coph copo copp cops cosc cosh coso cosp coss cowh cowp cows cpcs cphs cpos cpps cpsc cpso cscc csch csco cscs cshp cshs csos cspc csps csws cwos hccc hcch hccs hchs hcpc hcps hcsc hcso hcss hhhh hhhs hhpc hoch hocs hoho hoop hoos hopo hopp hops hosh hosp hoss howh howp hows hpcc hphs hpps hpsc hpss hscc hshs hsps hssp hswp occc ochs ocos ocpp ocsw ohcc ohho ohhs ohoh ohos ohow ohso ohss ooho oohs oooh oooo ooos oops ophs opo- opos oppo opps oscc osco oshc osho oshp oshs osoo osos osow osso owch owoh owow pccc pccs pccw pchp pchs pcos pcpp pcps pcso phcc phhs phoh phoo phos phsc poch poco pocs pohs pooh poop poos pop- popc popo popp pops posh poso poss powp pows ppcc ppcs pphs ppos pppo pppp ppps ppsh ppss psco pshc pshs psoc psos psph pspp psps pssc psso pwhs s-os sccc sccp sccs sch- schh scho schs schw scoh scoo scop scow scpo scps scsc scsh scso shcc shcp shhh shhs shoo shop shos show shps shsc soch soco socs sohh soho sohp sohs soop soos soph sopo sopp sops sosh soso soss sowp sows spcc spco spcs sphs spoc spoo spop spos spps spso spsp spss sscc sscp sscs sshs ssoc ssop sspc sspo ssps sssc sssh ssss ssws swcc swch swhs swoo swop swow swss wccc wcch wcco wccp wccs wccw wchc wcho wchp wchs wcoc wcoh wcoo wcop wcos wcpc wcph wcpo wcpp wcps wcsc wcsh wcso wcsp wcss wcsw wcwc wcwp whcc whco whcp whhh whho whhs whhw whoo whop whos whow whpc whph whpo whpp whps whsc whsh whss whwc whwh wocc woch woco wocs wohc wohs wooc woop woos woow wopc wopp wops wosh woso wosp woss wosw wowc wowo wowp wows woww wpcc wpch wpcs wpcw wphc wphp wphs wpoc wpop wpow wppc wpso wpsp wpwc wscc wsch wsco wscp wscs wscw wshc wshh wsho wshs wshw wsoc wsoh wsoo wsop wsos wspc wspo wsps wssc wssp wsss wssw wsws wsww wwch wwco wwcs wwcw wwho wwhp wwos wwow wwpc wwph wwpw wwsc wwsh wwsp wwss wwwc wwwh wwws wwww