-ene cccc cccf cccu ccee ccfc ccff cche cchr ccnc ccne ccnf ccnr ccnu ccrc ccre ccrf ccuc cec- cece ceec cef- cefc cefn cen- cene cer- cerc cere cerf cern cfcf cfcn cffr cfnr cfre cfrn cfun chce chch chec chee chef cheh chen cher cheu chfc chfr chnc chnr chrc chrf chrn chrr chun chur cnrc cnrr crcc crce crcr cre- crec cree creh cren creu crfc crne crue crun cucc cuce cucn cuer cufc cuff cune cure curf curn curr eccc ecce ecef ecfc ecfr eche ecne ecrc ecrf ecrr ecru eeee eefe eefn eerc efen ehcc eheh ehen eher eheu ehre ence ench enee ener ennc enne ennu enue enuf enur ercc erce erch erec eren erer erfc erhc erhu erne errc erre eruc eruh erur euch euer eufc eur- eurc eure fccf fcch fece fech feen feer fefc fefe feff fehr fehu fene fenn ferc fere fern ferr feru ffcc ffee ffff ffrr ffun fnuf frcc frcn free fren frfc frue frun fuc- fufc fuff fufu fune funf funh fur- fure furn furr hccc hcch hcfc hech heef heer hefe hehe hehn hene henh henn henu herc here hern herr heru heue heun heur hfce hhhh hnce hree hrfc hrrc hrun huch hucu huer hufc hufe huff hufu huhn huhu hunc hune hunh hure hurn hurr huru nccc nccf nccn nccr nccu ncec ncee ncef ncen ncer ncfc ncfe nchc ncnc ncrc ncre ncue necc nece nech necr neef neen neer nefe neff nefh nehe nehu nene nenh nenu nerc nere nerf nerr neru neuc neue neuf neun neur neuu nfcu nfer nfff nhcc nhnn nhrc nnnn nren nrfc nrrc nuce nuch nucu nuee nuer nuff nunc nune nunn nurc nure nurn nurr nuru rccc rcfc rcnr recc rece rech recr recu reef reen refe reff refn refr refu rehe rehn rene renn renu rere reru reue reuf reuu rfef rffc rhce rhee rhen rhue rhun rrfc rrrr rrun ruce ruch ruen ruer rufc rufe ruff ruhe ruhh ruhn ruhr runc rune runf runn rurc rure ruru ruun uche ucrc ufcu ufer uffe uher uhuh uncc unce uncf unch unec unee unef unen uner unne unrf urch ure- ureh urfe urff urne urre urrh urun urur uuen uuuu