-hou cccc cccu cchr ccnc ccnr ccnu ccoc ccrc ccuc chch chnc chno chnr choc choh chon choo chor chou chrc chrn chro chrr chun chur cnco cnoh cnrc cnrr coch coco cocu cohn coho con- conc conn cono cooh coon cor- corc corn coro corr coun cour crcc crcr croc croh cron croo cror crun cucc cucn cuno cuon curn curo curr hccc hcch hhhh hoch hocn hocr hohn hoho hono honu hoon hoor horc horn horo horr hour hron hrrc hrun huch hucu huhn huhu hunc hunh huon huor hurn huro hurr huru nccc nccn nccr nccu nchc ncnc ncoc ncor ncrc nhcc nhnn nhon nhrc nnnn noch noco nohn noho non- nonn nono nonu noo- noon nooo noor nor- norc norn noro norr nouh noun nour nroc nron nrrc nuch nucu nunc nunn nuno nuoc nuon nurc nurn nurr nuru occc occn ocon ocro ocrr ocur ohcc ohho ohno ohoh ohrn onc- onco onno onon onor onur oocr ooho oooh oooo orch orco ornc orno oro- oron oror orro oucc ouch oun- our- ourn ouro ouu- rccc rcnr rcon rhoc rhoh rhon rhun rnco rocc roch roco rohn rohr rohu ronc rono roon roor rorc roro roru rouh roun rrrr rrun ruch ruhh ruhn ruhr runc runn runo rurc ruro ruru ruun ucho ucon ucrc uhno uhoh uhuh uncc unch unco unno unon unro uocc uor- urch urho uro- uroo urrh urun urur uuno uuoc uuuu