-ene cccc cccf cccl cccu ccee ccel ccfc ccff ccfl cclc ccnc ccne ccnf ccnr ccnu ccrc ccre ccrf ccrl ccuc cec- cece ceec ceel cef- cefc cefn cel- celc cele celf cell cen- cene cer- cerc cere cerf cerl cern cfcf cfcl cfcn cffr cfln cfnr cfre cfrn cfun clec clee clef cler cleu clue clun cnel cnrc cnrr crcc crce crcr cre- crec cree cren creu crfc crfl crlf crne crue crun cucc cuce cucn cuer cufc cuff culc cule cull cune cure curf curl curn curr e-cl eccc ecce eccl ecef ecfc ecfr ecne ecrc ecrf ecrl ecrr ecru eeee eefe eefl eefn eele eerc efen elce elec elee elef elen eler elfc elfe elle ellu elne elue elul ence encl enee enel ener ennc enne ennu enue enuf enur ercc erce erec erel eren erer erfc erle erll erne errc erre eruc erur euer eufc eule eur- eurc eure fccf fcnl fece feel feen feer fefc fefe feff fele felf fell fene fenn ferc fere fern ferr feru ffcc ffee ffff ffrr ffun flcl flee flen fler flnc flue fluf flur fnlc fnuf frcc frcn free fren frfc frue frun fuc- fuel fufc fuff fufu fule full fulu fune funf fur- fure furl furn furr lccc lcce lcer lcfc lcfr lcrl le-u lece leef leel leen leer lefe leff lele lell lelu lene lenn lerc lere lern leuc leun leur lfcc llcc llef lleu lllc llll lncr lner lrfc lrne lrrc lrrr luce luef luer lufe luff lufu lule lull lulu lune lunn lure nccc nccf nccn nccr nccu ncec ncee ncef ncel ncen ncer ncfc ncfe nclc ncln nclr ncnc ncrc ncre ncue necc nece necr neef neel neen neer nefe neff nefl nelc nele nelf nell nene nenu nerc nere nerf nerl nerr neru neuc neue neuf neun neur neuu nfcu nfer nfff nlcc nlcf nlec nler nnnn nren nrfc nrrc nrrl nuce nucu nuee nuel nuer nuff nule null nunc nune nunn nurc nure nurl nurn nurr nuru rccc rcfc rcle rcnl rcnr recc rece recr recu reef reel reen refe reff refl refn refr refu rele rell rene renn renu rere reru reue reuf reul reuu rfef rffc rffl rlee rlef rleu rrfc rrle rrrr rrun ruce ruel ruen ruer rufc rufe ruff rule rull runc rune runf runn rurc rure ruru ruun ucel ucrc uele uell ufcu ufel ufer uffe ulcc ulee ulen ulfe ulle ullr ulne ulul uncc unce uncf uncl unec unee unef unen uner unle unlf unne unrf ure- urfe urff urle urne urre urun urur uuen uulu uuuu