-hou cccc cccp cccu cchp cchr ccoc ccpp ccpr ccrc ccrp ccuc ccup chch chcp choc choh choo chop chor chou chpp chpr chrc chro chrp chrr chur coch coco cocp cocu coho cooh coop coph copo copp copr cor- corc coro corp corr coup cour cpcu crcc crcr croc croh croo crop cror crpc crup cucc cupo cupp cupr curo curr hccc hcch hcpc hcrp hhhh hhpc hoch hocr hoho hoop hoor hopo hopp horc horo horr houp hour hpcc hrpc hrpp hrrc huch hucu huhu huor hupp huro hurr huru occc ocpp ocro ocrr ocur ohcc ohho ohoh oocr ooho oooh oooo opo- opor oppo orch orco oro- oror orpc orph orro orup oucc ouch ouph our- ouro ouu- pccc pchp pcpp pcrc phcc phoh phoo phrr poch poco pooh poop poor pop- popc popo popp porc poro porr poup pour ppcc pppo pppp pprc ppru ppur prcc prcp pro- proc proo prop prou pruu puch pupu pur- puro purp purr puru puuc rccc rcpo rhcp rhoc rhoh rocc roch roco rohr rohu roop roor ropo rorc roro roru rouh roup rpho rrrr ruch ruhh ruhr rupp rurc ruro rurp ruru u-rp uccp ucho ucph ucrc uhoh uhuh uhup uocc uor- upor uppc uppp uppu upup urch urho uro- uroo urpo urrh urup urur uucp uuoc uuuu