kren kres kreu krka krkc krke krkk krkn krkr krks krku krna krnb krne krnk krnn krnu krrb krrc krre krrk krrn krrr krrs krsa krsc krse krsk krsn krsr krss krsu krua kruc krue kruk krun krur ksab ksac ksak ksan ksar ksas ksau ksba ksbc ksbn ksbr ksbs ksca kscb ksce ksck kscn kscr kscs kscu ksea ksec ksee ksek ksen kser kska kskb kske kskk kskn kskr ksks ksku ksna ksnb ksnc ksnk ksnn ksnr ksns ksra ksrb ksrn ksrr ksrs kssa ksse kssn kssr ksss kssu ksua ksub ksue ksun ksuu kuac kuan kuar kuau kuba kubb kubc kube kubr kubs kubu kuca kucb kucc kuce kucr kuek kuen kues kueu kuka kuke kukk kukn kuks kuku kuna kunc kune kunk kunr kuns kunu kura kurb kure kurk kurr kurs kuru kusa kusb kusc kusn kusu kuub kuuk kuur kuuu naaa naab naac naan naar naas naba nabc nabe nabk nabs nabu naca nacc nace nack nacs naea naes naka nake naks nan- nana nanb nane nann nans nanu nara narc nare nark narn narr nars naru nas- nasa nasb nasc nase nask nasr nass nasu naue naur naus nbaa nbak nbar nbas nbbc nbca nbcc nbcs nber ncaa ncac ncar ncba ncbc ncbs ncca nccc nccn nccr nccs nccu ncea ncec ncee ncen ncer nces ncna ncnc ncra ncrc ncre ncsa ncsc ncse ncss ncua ncue ncuk neab neac nean near neas neau neba nebb nebe nebn nebr nebs nebu neca necc nece neck necr necs neea neeb neen neer nees neka neke neku nena nene nens nenu nera nerc nere nerk nerr ners neru nesa nesb nesc nese nesn nesr ness neua neuc neue neuk neun neur neuu nkau nnes nnnn nnsa nnss nrab nras nrca nrcs nren nrna nrrc nrsa nrsc nsaa nsac nsar nsca nscc nscs nseb nsec nser nskk nsna nsnr nsra nsrc nssa nssb nssc nsse nssr nsss nsub nuan nuba nubc nube nubk nubs nuca nuce nuck nucs nucu nuee nuer nuka nuke nuku nuna nunc nune nunk nunn nuns nura nurc nure nurn nurr nurs nuru nuse nuss nusu nuuk raab raak raan raas raba rabb rabe rabk rabs rabu rac- raca racc race rack racs racu raec raen raer raes raka rake rakk raku rana ranc rane rank rann rans rara rarb rare rark rars rasa rasc rase rask rass rasu raua raub rauc raue rauk raun raus rbbb rbbr rbbs rbss rcac rcas rcbc rccb rccc rccs rcnr rcsa rcsc rcss rea- reac reae reak rean rear reas reau reba rebb rebe rebk rebs rebu reca recc rece reck recr recs recu reeb reek reen rees reka reke reks rena rene renk renn rens renu rera rere rers reru resa rese resn ress reue reuk reus reuu rkss rnas rnbr rncs rras rrna rrrr rrun rsaa rscc rscn rscs rsee rsna rsnn rsnr rsre rssa rsua ruan ruas ruba rubb rube rubs rubu ruca ruce ruck ruen ruer rues ruka ruke rukk rukn ruku runa runc rune runk runn runs rura rurc rure rurs ruru rusa ruse rusk russ rusu ruun sa-c saab saac saae saak saan saar saas saba sabb sabc sabe sabr sabs sabu saca sacc sace sack sacn sacr sacs sacu saeb saek saen saer saes saka sakb sake sakk saks saku sana sane sank sann sanr sans sanu sara sarc sare sark sarn sarr sars saru sasa sasc sase sask sass saua sauc saue sauk saun saur saus sbaa sbac sbar sbas sbbs sbca sbcc sbcs sber sbrk sbsa sbse sbus scaa scab scac scak scan scar scas scba sccc scce sccs scea scec scee scer sck- scna scnr scr- scra scrc scre scrn scrs scsa scsc scsn scsr scsu scua scub scun scur se-c se-e se-k se-n se-s se-u seaa seab seac seak sean sear seas seau seba sebe sebs sec- seca secc sece seck secn secr secs secu seea seeb seec seek seen seer sees seeu seka seke sekk seku sena sene senn senr sens sera serb serc sere serk sern serr sers seru sesa sesc sese sess seur skab skac skan skar skee sken sker skes skn- skra skss skua skue skun skur snab snak snar snas snba snca sncc sneb snee sner snes snns snra snrk snrs snub snur snus sras srbc srcc sreb srec sres srna srnn srub ssaa ssab ssac ssan ssas ssau ssbn ssbr ssca sscc ssce sscs ssec ssee sses ssns ssra ssrc ssrs sssa sssb sssc ssss suan suar suas sub- suba subb subs suc- succ suck sucr sucs suee suen suer sues sueu suka suke suks suku sun- suna sunb sune sunk sunn suns sunu sur- sura surc sure surn surr surs suru sus- susa suse susk suss susu suus uabc uaca uaes uarc uars uaru uasa uaua ubac ubar ubba ubbe ubek uber ubra ucak ucan ucar ucas ucbc ucca ucea uces ucka ucrc ucsa ucsb ucsc ucsu ucua ueba uers uesn uess ukba ukcc ukek ukes ukeu uknc ukra ukrc uksa uksc ukur unaa unac unan unar unas unau unbe unca uncc unce uncs uneb unec unee unen uner unes unka unke unkn unks unna unne unns unra unrs uns- unsa unsc unus urac uran uras urau urba urbe urbs urca ure- urea ures urka urke urna urne urns urra urre ursa urse urss ursu uruk urun urur urus us-a us-k usaa usac usak usan usar usas usba usbc usbe usbr usbs usca uscc usce uscs usea usee usen user uses uska uske usna usnc usnr usnu usra ussa ussb ussc usse ussr usss ussu usua usun usus uuen uuuu

-aaa- a-sea a-sun aaaas aaace aaaee aaarc aaasa aaass aabaa aabba aabra aacbc aaces aacsa aacsb aacss aacus aaker aakre aanes aarau aarna aarne aasee aasen aasra abaab ababa ababe ababs ababu abaca aback abacs abaer abaka abake abana abanc abank abann abara abare abarn abaru abasa abase abask abass abbac abban abbar abbas abbes abbrs abbur abcan abcas abccc abean abear abeau abeba abebe abece abeer abees abekr abene