cccc cccl cccp cchl cchp cclc ccoc ccpl ccpp cctc cctl cctt chch chcp chlc chlp chlt choc choh chol choo chop chpp chto chtt cloo clop clot clpp cltc coch coco cocp coct coho col- coll colo colp colt cooh cool coop coot coph copo copp copt cotc coth coto cott cphl cplc cptp ctcp ctol ctot ctpo ctpp hccc hcch hcpc hhcl hhhh hhpc hhtp hoch hohl hoho hol- holc holh holl holo holp holt hool hoop hoot hopo hopp hopt hoth hotl hoto hotp hott hpcc hpot hpto htcc htcp htoh htol htop htpc htpp http lccc lchc lcpc lcpl lctl lcto lhhh llcc lllc llll lloc lloo locc loch loco loho loll lolo looc lool loop loot lopp loth lotl loto lott lppl ltcc lttc occc occt ocht oclc ocpp oct- octo ohcc ohho ohoh ohto olcc ollo olot olpc olph ooho oolo oooh oooo ootp opo- oppo opto otcl otho oto- otoh otoo otpp otto pccc pccl pchp pcll pclo pcpp phcc phht phlo phoh phoo phot plcc plch ploc ploh ploo plop plot plpp pltt poch poco pohl poll polo polt pooh pool poop poot pop- popc popo popp popt potc poth poto pott ppcc pplo pppo pppp pptt ptcc ptcl ptol ptop pttc tccc tch- tchh tcho tchp tcpo tctc thch thhp thoo thot thpp tlco toch toco toho tol- toll tolo tolt tooh tool toot top- toph topo topp topt totc toth toto tott tpcp tpol tppp tptp ttcp ttop tttt