-ene cccc cccu ccee cche cchr ccnc ccne ccnr ccnu ccrc ccre ccuc cec- cece ceec cen- cene cer- cerc cere cern chce chch chec chee cheh chen cher cheu chnc chnr chrc chrn chrr chun chur cnrc cnrr crcc crce crcr cre- crec cree creh cren creu crne crue crun cucc cuce cucn cuer cune cure curn curr eccc ecce eche ecne ecrc ecrr ecru eeee eerc ehcc eheh ehen eher eheu ehre ence ench enee ener ennc enne ennu enue enur ercc erce erch erec eren erer erhc erhu erne errc erre eruc eruh erur euch euer eur- eurc eure hccc hcch hech heer hehe hehn hene henh henn henu herc here hern herr heru heue heun heur hhhh hnce hree hrrc hrun huch hucu huer huhn huhu hunc hune hunh hure hurn hurr huru nccc nccn nccr nccu ncec ncee ncen ncer nchc ncnc ncrc ncre ncue necc nece nech necr neen neer nehe nehu nene nenh nenu nerc nere nerr neru neuc neue neun neur neuu nhcc nhnn nhrc nnnn nren nrrc nuce nuch nucu nuee nuer nunc nune nunn nurc nure nurn nurr nuru rccc rcnr recc rece rech recr recu reen rehe rehn rene renn renu rere reru reue reuu rhce rhee rhen rhue rhun rrrr rrun ruce ruch ruen ruer ruhe ruhh ruhn ruhr runc rune runn rurc rure ruru ruun uche ucrc uher uhuh uncc unce unch unec unee unen uner unne urch ure- ureh urne urre urrh urun urur uuen uuuu