-ene cccc cccf cccu ccee ccfc ccff 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 cfqc cfre cfrn cfun cnrc cnrr crcc crce crcr cre- crec cree cren creu crfc crne crue crun cucc cuce cucn cucq cuer cufc cuff cune cure curf curn curr eccc ecce ecef ecfc ecfr ecne ecrc ecrf ecrr ecru eeee eefe eefn eerc efen ence enee ener ennc enne ennu enue enuf enur equ- eque ercc erce erec eren erer erfc erne errc erre eruc erur euer eufc eur- eurc eure fccf fece feen feer fefc fefe feff fene fenn ferc fere fern ferr feru ffcc ffee ffff ffrr ffun fnuf frcc frcn free fren freq frfc frue frun fuc- fufc fuff fufu fune funf fur- fure furn furr nccc nccf nccn nccr nccu ncec ncee ncef ncen ncer ncfc ncfe ncnc ncrc ncre ncrq ncue necc nece necr neef neen neer nefe neff nene nenu nerc nere nerf nerr neru neuc neue neuf neun neur neuu nfcu nfer nfff nnnn nren nrfc nrrc nuce nucu nuee nuer nuff nunc nune nunn nurc nure nurn nurr nuru qcfr qcue qene qere qerq qqqq qren qucu quee quen quer qufu qunu quu- rccc rcfc rcnr recc rece recr recu reef reen refe reff refn refr refu rene renn renu rere reru reue reuf reuu rfef rffc rrfc rrrr rrun ruce ruen ruer rufc rufe ruff runc rune runf runn rurc rure ruru ruun ucrc ufcu ufer uffe uncc unce uncf unec unee unef unen uner unne unrf uqcc ure- urfe urff urne urre urun uruq urur uuen uuuu