cccc cccp cccs cchp cchs ccoc ccpp ccps ccsp ccss ccst cctc cctt chch chcp chcs chhs choc choh choo chop chos chpp chsc chsh chst chto chtt coch coco cocp coct coho cohs cooh coop coos coot coph copo copp cops copt cosc cosh coso cosp coss cost cotc coth coto cots cott cpcs cphs cpos cpps cpsc cpso cptp cpts cscc csch csco cscs cshp cshs csos csot cspc csps cspt cstc csto csts ctcp cths ctos ctot ctpo ctpp ctps ctsc ctss ctts hccc hcch hccs hchs hcpc hcps hcsc hcso hcss hcst hhhh hhhs hhpc hhtp hoch hocs hoho hoop hoos hoot hopo hopp hops hopt hosh hosp hoss host hoth hoto hotp hots hott hpcc hphs hpot hpps hpsc hpss hpto hscc hsct hshs hsps hssp hsts htcc htcp hths htoh htop htpc htpp htps htsc http occc occt ochs ocht ocos ocpp oct- octo octs ohcc ohho ohhs ohoh ohos ohso ohss ohto ooho oohs oooh oooo ooos oops oost ootp oots ophs opo- opos oppo opps opto opts oscc osco oshc osho oshp oshs osoo osos osso ostc osts otho oths oto- otoh otoo otos otpp otso otto otts pccc pccs pchp pchs pcos pcpp pcps pcso pcts phcc phhs phht phoh phoo phos phot phsc poch poco pocs pohs pooh poop poos poot pop- popc popo popp pops popt posh poso poss post potc poth poto pots pott ppcc ppcs pphs ppos pppo pppp ppps ppsh ppss ppts pptt psco pshc pshs psht psoc psos psph pspp psps pssc psso psst psts ptcc pths ptop pttc s-os sccc sccp sccs scct sch- schh scho schs scoh scoo scop scot scpo scps scpt scsc scsh scso scst sctc scto scts shcc shcp shhh shhs shoo shop shos shot shps shpt shsc shts soch soco socs sohh soho sohp sohs soop soos soot soph sopo sopp sops sosh soso soss sost sotc soth soto sotp sots spcc spco spcs sphs spht spoc spoo spop spos spot spps spso spsp spss spst sptc spto spts sscc sscp sscs sshs ssoc ssop ssot sspc sspo ssps sspt sssc sssh ssss sstc ssth sstp ssts stcc stch stcp stcs sths stoo stop stos stot stpp stps stss sttc tccc tch- tchh tcho tchp tchs tcos tcpo tcsh tctc tcts thch thhp thoo thos thot thpp thss thts toch toco toho tooh toos toot top- toph topo topp tops topt tosc tosh toso toss tost totc toth toto tots tott tpcp tpcs tphs tppp tpsc tptp tscc tscp tshs tsop tsos tspo tsps tspt tsst tstc tsts ttcp ttop ttss tttt