-ene cccc cccf cccu ccee ccfc ccff ccnc ccne ccnf ccnr ccnu ccrc ccre ccrf ccuc cec- cece ceec cef- cefc cefn ceke cen- cene cer- cerc cere cerf cern cfcf cfcn cffr cfnr cfre cfrn cfun ckck cken cker ckfr cknc ckrc cnrc cnrr crcc crce crcr cre- crec cree cren creu crfc crkc crne crue cruk crun cucc cuce cuck cucn cuek cuer cufc cuff cuk- cuke cune cure curf curn curr eccc ecce ecef ecfc ecfr ecne ecrc ecrf ecrr ecru eeee eefe eefn eeke eerc efen efke ekek eken eker ekfc ekne ekur ence enee ener enke enkr ennc enne ennu enue enuf enur ercc erce erec eren erer erfc erke erne errc erre eruc erur euer eufc eur- eurc eure f--k fccf fcuk fece feck feek feen feer fefc fefe feff feke fene fenk fenn ferc fere ferk fern ferr feru ffcc ffee ffff ffrr ffun fnuf frcc frcn free fren frfc frue frun fuc- fuck fufc fuff fufu fuke fukk fuku fune funf funk fur- fure furn furr kccc kcck kccr kccu kcec kcee kceu kcfc kcfn kckc kckf kckk kckn kckr kcnr kcrc kcrn kcrr kcru kcue kcuf kcuk keck kecr keef keek keen keer kefc keff kefr kekc keke keku ken- kene kenk kenn kenr kenu ker- kerc kere kerf kerk kern kerr keru keun keur kfcf kfcr kfer kfff kffk kffn kfnc kfnf kfnk kfnn kfrc kfre kfrn kfrr kfru kfun kkck kkcn kkcr kken kkfn kkfr kkkk kkne kknn kknu kkrc kkre kkrf kkrk kkrn kkrr kkuu knce knck kncn kncr kncu knec knee knef knek knen kneu knfr knkk knnk knnr knrk knue knuk knur krcc krce krcn krcu krec kree kref krek kren kreu krfc krfe krff krfn krkc krke krkk krkn krkr krku krne krnk krnn krnu krrc krre krrf krrk krrn krrr kruc krue kruf kruk krun krur kucc kuce kucr kuek kuen kueu kufc kuff kufn kufr kuke kukk kukn kuku kunc kune kunk kunr kunu kure kurk kurr kuru kuuk kuur kuuu nccc nccf nccn nccr nccu ncec ncee ncef ncen ncer ncfc ncfe ncnc ncrc ncre ncue ncuk necc nece neck necr neef neen neer nefe neff neke neku nene nenu nerc nere nerf nerk nerr neru neuc neue neuf neuk neun neur neuu nfcu nfer nfff nkfc nkrf nnnn nren nrfc nrrc nuce nuck nucu nuee nuer nuff nuke nuku nunc nune nunk nunn nurc nure nurn nurr nuru nuuk rccc rcfc rcnr recc rece reck recr recu reef reek reen refe reff refn refr refu reke rene renk renn renu rere reru reue reuf reuk reuu rfef rffc rkkf rrfc rrrr rrun ruce ruck ruen ruer rufc rufe ruff ruke rukk rukn ruku runc rune runf runk runn rurc rure ruru ruun ucrc ufcu ufer uffe ufuk ukcc ukek ukeu uknc ukrc ukur uncc unce uncf unec unee unef unen uner unke unkn unne unrf ure- urfe urff urke urne urre uruk urun urur uuen uuuu