cccc cccp cchp cchr ccoc ccpp ccpr ccrc ccrp ccrt cctc cctt chch chcp choc choh choo chop chor chpp chpr chrc chro chrp chrr chrt chto chtr chtt coch coco cocp coct coho cooh coop coot coph copo copp copr copt cor- corc coro corp corr cort cotc coth coto cott cprt cptp cptr crcc crcr croc croh croo crop cror crot crpc crrt crtc crtp ctcp ctor ctot ctpo ctpp ctrc ctrp hccc hcch hcpc hcrp hhhh hhpc hhtp hoch hocr hoho hoop hoor hoot hopo hopp hopt horc horo horr hort hoth hoto hotp hotr hott hpcc hpot hprt hpto hrpc hrpp hrrc htcc htcp htoh htop htpc htpp http httr occc occt ocht ocpp ocro ocrr oct- octo ohcc ohho ohoh ohto oocr ooho oooh oooo oort ootp opo- opor oppo opto orch orco oro- oror orot orpc orph orro ortc orth orto otho othr oto- otoh otoo otor otpp otro otto pccc pchp pcpp pcrc phcc phht phoh phoo phot phrr poch poco pooh poop poor poot pop- popc popo popp popt porc poro porr port potc poth poto pott ppcc pppo pppp pprc pptt prcc prcp pro- proc proo prop prot prtc prtp prtr ptcc ptop pttc rccc rcpo rcpt rctc rhcp rhoc rhoh rocc roch roco rohr roop roor root ropo rorc roro rort rotc roth roto rotr rott rpho rrrr rtcc rttp tccc tch- tchh tcho tchp tchr tcpo tctc thch thhp thoo thor thot thpp thro thtr toch toco toho tooh toor toot top- toph topo topp topt torc toro torp torr tort totc toth toto totr tott tpcp tppp tppr tptp tptr trcc troc troo trop trot trpc trpp trtc trtr ttcp ttop tttt