-ene cccc cccf ccee ccfc ccff cche cchr ccnc ccne ccnf ccnr ccrc ccre ccrf cec- cece ceec cef- cefc cefn ceke cen- cene cer- cerc cere cerf cern cfcf cfcn cffr cfhk cfnr cfre cfrn chce chch chec chee chef cheh chek chen cher chfc chfr chnc chnr chrc chrf chrn chrr ckch ckck cken cker ckfr cknc ckrc cnrc cnrr crcc crce crcr cre- crec cree creh cren crfc crkc crne eccc ecce ecef ecfc ecfr eche ecne ecrc ecrf ecrr eeee eefe eefn eeke eerc efen efke ehcc eheh ehen eher ehre ekch ekek eken eker ekfc ekne ence ench enee ener enke enkr ennc enne ercc erce erch erec eren erer erfc erhc erke erne errc erre f--k fccf fcch fece fech feck feek feen feer fefc fefe feff fehr feke fene fenk fenn ferc fere ferk fern ferr ffcc ffee ffff ffrr frcc frcn free fren frfc hccc hcch hcfc hech heck heef heek heer hefe hehe hehn heke hene henh henk henn herc here herk hern herr hfce hhhh hkcc hnce hree hrfc hrrc kccc kcck kccr kcec kcee kcfc kcfh kcfn kche kchf kchh kchk kchn kchr kckc kckf kckk kckn kckr kcnh kcnr kcrc kcrh kcrn kcrr kech keck kecr keef keeh keek keen keer kefc keff kefh kefr kehk kehr kekc keke ken- kene kenk kenn kenr ker- kerc kere kerf kerk kern kerr kfcf kfch kfcr kfer kfff kffk kffn kfhc kfnc kfnf kfnk kfnn kfrc kfre kfrh kfrn kfrr khcc khcf khch khck khec kher khfr khhk khke khkk khkn khkr khnc khne khnk khnr khrk khrr kkch kkck kkcn kkcr kken kkfn kkfr kkhh kkhk kkhr kkkk kkne kknn kkrc kkre kkrf kkrh kkrk kkrn kkrr knce knch knck kncn kncr knec knee knef knek knen knfr knhc knhk knkk knnk knnr knrk krcc krce krch krcn krec kree kref kreh krek kren krfc krfe krff krfn krhc krkc krke krkh krkk krkn krkr krne krnh krnk krnn krrc krre krrf krrk krrn krrr nccc nccf nccn nccr ncec ncee ncef ncen ncer ncfc ncfe nchc ncnc ncrc ncre necc nece nech neck necr neef neen neer nefe neff nefh nehe neke nene nenh nerc nere nerf nerk nerr nfer nfff nhcc nhnn nhrc nkfc nkrf nnnn nren nrfc nrrc rccc rcfc rcnr recc rece rech reck recr reef reek reen refe reff refn refr rehe rehn reke rene renk renn rere rfef rffc rhce rhee rhen rkkf rrfc rrrr