-hou cccc cccu cchr ccnc ccnr ccnu ccoc ccrc ccuc chch chnc chno chnr choc choh chok chon choo chor chou chrc chrn chro chrr chuk chun chur ckch ckck ckco cknc ckoc ckoo ckor ckrc cnco cnoh cnrc cnrr coch cock coco cocu cohn coho cok- coko con- conc conk conn cono cooh cook coon cor- corc cork corn coro corr couk coun cour crcc crcr crkc croc croh crok cron croo cror cruk crun cucc cuck cucn cuk- cuno cuon curn curo curr hccc hcch hhhh hkcc hoch hock hocn hocr hohn hoho hoko hoku honk hono honu hook hoon hoor horc hork horn horo horr houk hour hron hrrc hrun huch huck hucu huhn huhu hunc hunh hunk huon huor hurk hurn huro hurr huru kccc kcck kccr kccu kchh kchk kchn kcho kchr kchu kckc kckk kckn kcko kckr kcnh kcno kcnr kcoh kcon kcor kcou kcrc kcrh kcrn kcro kcrr kcru kcuh kcuk khcc khch khck khhk khho khkk khkn khkr khnc khnk khnr khnu khoc khok khon khor khou khrk khro khrr khuk khun khur kkch kkck kkcn kkco kkcr kkhh kkhk kkhr kkkk kknn kkno kknu kkoh kkon kkoo kkor kkrc kkrh kkrk kkrn kkro kkrr kkuu knch knck kncn knco kncr kncu knhc knhk knkk knnk knnr knoc knok knon knor knou knrk knro knuk knur koch kock kocn kohh kohn koho kohr kohu kokc kokh kokk kokn koko kokr koku konc konk kono kooc kook koon kooo koor koou korc kork korn koro korr koru kour kouu krcc krch krcn krco krcu krhc krkc krkh krkk krkn krko krkr krku krnh krnk krnn krno krnu kroc kroh krok kroo kror krrc krrk krrn krro krrr kruc kruh kruk krun krur kucc kuch kuco kucr kuhn kuhu kukh kukk kukn kuku kunc kunk kuno kunr kunu kuok kuon kuoo kurk kuro kurr kuru kuuk kuur kuuu nccc nccn nccr nccu nchc ncnc ncoc ncor ncrc ncuk nhcc nhnn nhon nhrc nkok nkor nnnn noch nock noco nohn noho noko non- nonn nono nonu noo- nook noon nooo noor nor- norc nork norn noro norr nouh noun nour nroc nron nrrc nuch nuck nucu nuku nunc nunk nunn nuno nuoc nuon nurc nurn nurr nuru nuuk occc occn ocon ocro ocrr ocur ohcc ohho ohno ohoh ohok ohrn okcu okko okno okok okon okor okro okun okur onc- onco onno onon onor onur oocr ooho ooku oooh oooo orch orco orko ornc orno oro- orok oron oror orro oucc ouch oun- our- ourn ouro ouu- rccc rcnr rcon rhoc rhoh rhon rhun rnco rocc roch rock roco rohn rohr rohu rokh rokk roko rokr roku ronc ronk rono rook roon roor rorc rork roro roru rouh rouk roun rrrr rrun ruch ruck ruhh ruhn ruhr rukh rukk rukn ruku runc runk runn runo ruok rurc ruro ruru ruun ucho ucon ucrc uhno uhoh uhok uhuh ukcc ukko uknc ukok ukon ukrc ukur uncc unch unco unkn unko unno unon unro uocc uor- urch urho uro- urok uroo urrh uruk urun urur uuno uuoc uuuu