-ene cccc cccs cccu ccee ccnc ccne ccnr ccns ccnu ccrc ccre ccrs ccsn ccss ccuc ccus cec- cece cecs ceec cees cen- cene cens cer- cerc cere cern cers cesc cese cesr cess ceze cnes cnnz cnrc cnrr cnss crcc crce crcr crcz cre- crec cree cren cres creu crne crns crss crue crun crus cruz cscc csce cscr cscs csec csee cser csne csnz csrc csrs csse cssr csur csus cucc cuce cucn cuer cues cune cure curn curr curs cuss cusu eccc ecce eces ecne ecrc ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eens eerc eers eese eeze ence encs enee ener enes enez ennc enne enns ennu enrs ense ensu enue enur enus ercc erce erec eren erer eres erez erne erns errc erre errs erse eruc erur erus esce escr escs escu esee esen eser eses esne esse essu esus euer eur- eurc eure euse ezer ezuz nccc nccn nccr nccs nccu ncec ncee ncen ncer nces ncnc ncrc ncre ncsc ncse ncss ncue necc nece necr necs neen neer nees nene nens nenu nerc nere nerr ners neru nerz nesc nese nesn nesr ness neuc neue neun neur neuu nnes nnnn nnss nrcs nren nrrc nrsc nscc nscs nsec nser nsnr nsrc nssc nsse nssr nsss nuce nucs nucu nuee nuer nunc nune nunn nuns nurc nure nurn nurr nurs nuru nuse nuss nusu nuze nzcc nzse rccc rccs rcnr rcsc rcss recc rece recr recs recu recz reen rees rene renn rens renu renz rere rers reru rese resn ress reue reus reuu reze rezu rncs rrrr rrun rscc rscn rscs rsee rsnn rsnr rsre ruce ruen ruer rues ruez runc rune runn runs rurc rure rurs ruru ruse russ rusu ruun ruze sccc scce sccs scec scee scer scnr scr- scrc scre scrn scrs scsc scsn scsr scsu scun scur se-c se-e se-n se-s se-u se-z sec- secc sece secn secr secs secu seec seen seer sees seeu seez sene senn senr sens serc sere sern serr sers seru sesc sese sess seur sncc snee sner snes snns snrs snur snus srcc srec sres srnn srzu sscc ssce sscs ssec ssee sses ssns ssrc ssrs sssc ssss suc- succ sucr sucs suee suen suer sues sueu suez sun- sune sunn suns sunu sur- surc sure surn surr surs suru sus- suse suss susu susz suus suze suzu suzz szss szuc szur uces ucrc ucsc ucsu uers uesn uess uncc unce uncs unec unee unen uner unes unne unns unrs uns- unsc unus unuz ure- ures urne urns urre urse urss ursu urun urur urus uruz uscc usce uscs usee usen user uses usnc usnr usnu ussc usse ussr usss ussu usun usus uuen uuuu uzen uzer uzun zees zenn zens zenu zeus zeze znen znes zrce zrze zsss zuce zune zunz zurn zurr zuru zuun zuzu zzzs zzzz