fece feck feek feel feen feer fees fefc fefe feff feke fele felf felk fell fels fene fenk fenn fens ferc fere ferk fern ferr fers feru fese fess feus ffcc ffee ffff ffrr ffss ffun flcl flee flen fler fles flnc flue fluf flur flus fnlc fnrs fnuf frcc frcn free fren fres frfc frns frsc frue frun fscc fsck fsec fsln fssc fssf fuc- fuck fuel fufc fuff fufu fuke fukk fuku fule fulk full fuls fulu fune funf funk funs fur- fure furl furn furr furs fusc fuse fusk fuss fusu kccc kcck kccl kccr kccu kcec kcee kcel kceu kcfc kcfl kcfn kckc kckf kckk kckl kckn kckr kclc kcle kclf kclk kcll kcln kclr kcls kclu kcnr kcns kcrc kcrn kcrr kcrs kcru kcsc kcse kcsf kcsn kcsr kcss kcsu kcue kcuf kcuk kcul keck kecr keef keek keel keen keer kees kefc keff kefr kefs kekc keke kekl keks keku kele kelf kelk kell keln kelu ken- kene kenk kenl kenn kenr kens kenu ker- kerc kere kerf kerk kerl kern kerr kers keru kesc kesk kesn kesr kess keul keun keur keus kfcf kfcr kfcs kfel kfer kfff kffk kffn kflc kflf kfll kfln kfls kfnc kfnf kfnk kfnl kfnn kfns kfrc kfre kfrn kfrr kfrs kfru kfse kfsk kfsr kful kfun kkck kkcl kkcn kkcr kkcs kken kkfn kkfr kkfs kkkk kklc kklf kkll kkln kkls kkne kknn kkns kknu kkrc kkre kkrf kkrk kkrl kkrn kkrr kkrs kkse kksf kksn kksr kkss kksu kkus kkuu klcc klce klck klcl klcn klcr klcs klec klee klef klek klen kler kles klfc klfe klff klfn klkc klkk klkl klkn klkr klks kllc klle kllk klls klnc klne klnn klrc klrf klrk klrn klrr klrs klru klsc klse klsf klsn klsr klsu klue kluf kluk klun klur kluu knce knck kncn kncr kncu knec knee knef knek knel knen knes kneu knfl knfr knkk knlc knlf knlr knls knnk knnr knns knrk knrs knsc knse knsk knsl knsn knsr knss knsu knue knuk knur knus krcc krce krcl krcn krcs krcu krec kree kref krek kren kres kreu krfc krfe krff krfn krfs krkc krke krkk krkn krkr krks krku krlc krle krlf krln krne krnk krnn krnu krrc krre krrf krrk krrl krrn krrr krrs krsc krse krsf krsk krsl krsn krsr krss krsu kruc krue kruf kruk krul krun krur ksce ksck kscl kscn kscr kscs kscu ksec ksee ksek ksel ksen kser ksfc ksfe ksfn ksfr kske kskf kskk kskn kskr ksks ksku kslc ksle kslk ksll ksln kslr kslu ksnc ksnf ksnk ksnl ksnn ksnr ksns ksrf ksrn ksrr ksrs ksse kssl kssn kssr ksss kssu ksue ksun ksuu kucc kuce kucr kuek kuel kuen kues kueu kufc kuff kufn kufr kuke kukk kukl kukn kuks kuku kule kulf kull kuln kulu kunc kune kunk kunr kuns kunu kure kurk kurl kurr kurs kuru kusc kusf kusn kusu kuuk kuul kuur kuuu lccc lcce lccs lcer lces lcfc lcfr lcls lcrl lcrs lcsc lcsr le-u lece leck leef leek leel leen leer lees lefe leff leke lekk leks lele lell lelu lene lenk lenn lens lerc lere lerk lern lese lesk less lesu leuc leuk leun leur lfcc lkfs lkrs llcc llcs llef lles lleu llks lllc llll lncr lner lnes lnfs lnnk lrcs lrfc lrne lrrc lrrr lrse ls-r lscs lses lsfc lsrc lssr luce luck lucs luef luer lues lufe luff lufu luke lule lull lulu lune lunk lunn luns lure lurk lurs luse lusk luss luuk nccc nccf nccn nccr nccs nccu ncec ncee ncef ncel ncen ncer nces ncfc ncfe nclc ncln nclr ncnc ncrc ncre ncsc ncse ncsf ncsl ncss ncue ncuk necc nece neck necr necs neef neel neen neer nees nefe neff nefl nefs neke neku nelc nele nelf nell nels nene nens nenu nerc nere nerf nerk nerl nerr ners neru nesc nese nesl nesn nesr ness neuc neue neuf neuk neun neur neuu nfcu nfer nfff nfrs nfsr nfsu nkfc nkrf nlcc nlcf nlcs nlec nler nlls nlsc nnes nnls nnnn nnsl nnss nrcs nren nrfc nrrc nrrl nrsc nscc nscl nscs nsec nsel nser nsfc nsfk nsfs nskk nslr nsls nsnr nsrc nsrl nssc nsse nssf nssr nsss nuce nuck nucs nucu nuee nuel nuer nuff nuke nuku nule null nunc nune nunk nunn nuns nurc nure nurl nurn nurr nurs nuru nuse nusl nuss nusu nuuk rccc rccs rcfc rcle rcls rcnl rcnr rcsc rcsl rcss recc rece reck recr recs recu reef reek reel reen rees refe reff refl refn refr refs refu reke reks rele rell rels rene renk renn rens renu rere rers reru rese resn ress reue reuf reuk reul reus reuu rfef rffc rffl rkkf rkss rlcs rlee rlef rleu rlls rncs rrfc rrle rrrr rrun rscc rscn rscs rsee rsfc rslc rsnn rsnr rsre rssl ruce ruck ruel ruen ruer rues rufc rufe ruff ruke rukk rukn ruku rule rulk rull runc rune runf runk runn runs rurc rure rurs ruru ruse rusk russ rusu ruun sccc scce sccl sccs scec scee scel scer scfc scfe sck- sckl scl- sclc sclk scls scnr scr- scrc scre scrn scrs scsc scsl scsn scsr scsu scul scun scur se-c se-e se-f se-k se-n se-s se-u sec- secc sece seck secn secr secs secu seec seef seek seel seen seer sees seeu seff sefl seke sekk seku sele self selk sell sels selu sene senn senr sens serc sere serf serk sern serr sers seru sesc sese sess seul seur sfcc sfcs sfer sffc sflc sfls sfne sfrc sfss sfsu skee skel sken sker skes skfc skn- skss skue skul skun skur slcc slcu slee sler sles slln slrc slre slrn slrs slsc slsu sluc slue slur sncc sncf snee snel sner snes snfu snlf snns snrk snrs snur snus srcc srec sres srfc srnn sscc ssce sscs ssec ssee sses ssfc ssfl sslc ssle ssns ssrc ssrl ssrs sssc sssf ssss suc- succ suck sucr