cccc cccl cccs cchl cchs cclc ccls ccoc ccsl ccss ccst cctc cctl cctt chch chcs chhs chlc chlt choc choh chol choo chos chsc chsh chst chto chtt clhs cloo clos clot clsc cltc clts coch coco coct coho cohs col- coll colo cols colt cooh cool coos coot cosc cosh cosl coso coss cost cotc coth coto cots cott cscc csch cscl csco cscs cshl cshs csos csot cstc csto csts cths ctls ctol ctos ctot ctsc ctss ctts hccc hcch hccs hchs hcsc hcso hcss hcst hhcl hhhh hhhs hlhs hlss hoch hocs hohl hoho hol- holc holh holl holo hols holt hool hoos hoot hosh hoss host hoth hotl hoto hots hott hscc hsct hshs hsls hsts htcc hths htoh htol htsc lccc lccs lchc lchs lcls lcsc lctl lcto lcts lhhh lhhs lhss llcc llcs llhs lllc llll lloc lloo locc loch loco locs loho lohs loll lolo lols looc lool loos loot losc losh loso loss lost loth lotl loto lots lott lsco lscs lshs lsoh lsso lsts ltcc ltcs lths lttc occc occt ochs ocht oclc ocos oct- octo octs ohcc ohho ohhs ohoh ohos ohso ohss ohto olcc ollo olos olot olsh olst ooho oohs oolo oooh oooo ooos oost oots oscc oscl osco oshc osho oshs oslo osoo osos osso ostc osts otcl otho oths oto- otoh otoo otos otso otto otts s-os sccc sccl sccs scct sch- schh schl scho schs scl- sclc scls scoh scol scoo scot scsc scsh scsl scso scst sctc sctl scto scts shcc shhh shhs shl- shls shoo shos shot shsc shts slcc slhs sloc sloh sloo slos slot slsc slst slts soch socl soco socs sohh sohl soho sohs solh soll solo sols solt sool soos soot sosh soso soss sost sotc soth sotl soto sots sscc sscs sshl sshs sslc sslt ssoc ssot sssc sssh ssss sstc ssth sstl ssts stcc stch stcs sths stlc stlh stlo stlt stol stoo stos stot stss sttc tccc tch- tchh tcho tchs tcos tcsh tctc tcts thch thoo thos thot thss thts tlco tlos toch toco toho tol- toll tolo tolt tooh tool toos toot tosc tosh toso toss tost totc toth toto tots tott tscc tshs tsol tsos tsst tstc tsts ttss tttt