-ana a-fu a-un aaaa aaab aaac aaaf aaal aaan aaas aaba aabb aabc aabl aaca aacb aacc aacf aacl aacn aacs aacu aafa aafb aafc aaff aafl aala aalc aall aals aalu aana aasa aasc aasf aass aasu aaus abaa abab abac abaf abal aban abas abau abb- abba abbb abbs abca abcb abcc abcf abcl abcn abcs abff abla abls abnu abs- absa absf absl abss absu abua abuf abul abun abus acaa acab acac acan acas acba acbl acca accc accf accs accu acfc acfl acfs acla aclc acls aclu acsa acsc acsl acss acu- acuf acul acus afaa afan afbs afca afcb afcc afcs afcu affa affc affs afla aflc afsa afsb afsc afua afus alaa alac alal alan alas alau alb- alba albc albs albu alca alcc alcs alfa alfs all- alla alll alln alls allu alna alsa alsc alsn alua aluf alun alus ana- anaa anab anac anal anan anas anau anba anbb anbl anbu anca ancc anfa anla anlc anln anlu anna annb anns ansa ansf ansu anua anub anuf anul anun anus asaa asab asac asaf asal asan asas asau asba asbu asc- asca ascb ascc ascl asfa asla asnc asnl assa assc assl assn asss assu asub asun asus auaa auca aufc aufs aul- aula aulf aull auln auls aulu auna ausa ausu baaa baaf baal baan baas baba babb babs babu bac- baca bacc bacn bacs bafc baff bala balc balf ball bals balu bana banc bann bans banu basa basc basf bass basu bau- bauf baul bbas bbau bbbb bbbs bbfc bbfn bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bcfc bcnu bcsa bcsc bcsl bcsn bcss bcuc bfas bfca bfcs bffl bffs blaa blab blac blan blas blau blcu blfc blls blss blub bluf blus bnas bnss bsaa bsac bsas bscs bsfa bsfc bsff bsfs bslc bsns bssc bual buba bubb bubs bubu buca bucc bucs bucu bufc buff bula bulb bull buls bulu buna bunb bunn buns bunu busa busc buss busu buus caaa caab caac caaf caal caan caas caba cabf cabs cabu cac- caca cacc cafa cafb cafc caff cafl cafs cafu cala calc calf call cals calu cana canc cann cans casa casb casc casl cass casu cauc cauf caul caus cbac cbal cbbc cbbs cbca cbcc cbcl cbcn cbcs cbcu cbfb cbfc cblb cblc cbln cbna cbsa cbsc cbsn cbus ccaa ccab ccac ccaf ccas ccba ccbc ccbn ccca cccb cccc cccf cccl cccs cccu ccfa ccfc ccff ccfl ccla cclc ccls ccna ccnb ccnc ccnf ccns ccnu ccsa ccsf ccsl ccsn ccss ccuc ccus cfaa cfab cfac cfbc cfbn cfbs cfca cfcb cfcf cfcl cfcn cfcs cffb cfln cfls cfnb cfns cfsa cfsl cfun clab claf clan clas clau clsa clsc club clun cnaa cnac cnas cnbc cnbl cnfa cnna cnsa cnsl cnss csaa csab csac csas csbf cscb cscc cscf cscl cscs csfc csla cslu cssa csua csuf csus cuan cuau cub- cuba cubb cubs cuca cucc cucn cufa cufc cuff cula culb culc cull culs cuna cusa cusb cuss cusu faaa faac faan faas faba fabs fabu faca facc facs fafa fafc faff fala falc fall faln fals falu fana fanc fans fanu fasa fasc fasn fass faul faun fbla fbus fcab fcal fcas fcba fcbs fcca fccf fcnl fcsc fcsl ffcc ffff ffsa ffss ffun flab flac flan flcl flna flnb flnc flub fluf flus fnac fnlc fnuf fsas fscb fscc fsln fssa fssc fssf fubb fubs fubu fuc- fuca fufc fuff fufu fula full fuls fulu funa funf funs fusa fusc fuss fusu laaa laac laal laan laas laba labs labu laca lacc lacl lacs lacu lafb lafc laff lala lall lalu lan- lana lanc lann lans lanu lasa lass lasu laub lauf laul laun laus lbcc lbsc lcac lcbc lcca lccc lccs lcfc lcls lcsc lfca lfcc llan llbs llcc llcs lllc llll lnfs lsbu lscb lscs lsfc lsla lssa luan luas luau luba lubs luca lucs luff lufu lula lull lulu luna lunn luns lusa luss luua naaa naab naac naal naan naas naba nabc nabf nabl nabs nabu naca nacc nacf nacl nacs nafa nafc naff nafl nafs nala nalc nall nals nalu nan- nana nanb nann nans nanu nas- nasa nasb nasc nasf nasl nass nasu naul naus nbaa nbaf nbas nbbc nbca nbcc nbcs nbfa nbfc nbfl nbuf ncaa ncac ncba ncbc ncbs ncca nccc nccf nccn nccs nccu ncfc nclc ncln ncna ncnc ncsa ncsc ncsf ncsl ncss ncua nfaa nfas nfcu nfff nfsu nlab nlcc nlcf nlcs nlls nlsc nnls nnnn nnsa nnsl nnss nsaa nsac nsca nscc nscl nscs nsfc nsfs nsla nsls nsna nssa nssb nssc nssf nsss nsub nuan nuba nubc nubl nubs nuca nucs nucu nuff null nuna nunc nunn nuns nusl nuss nusu sa-c saab saac saaf saal saan saas saba sabb sabc sabs sabu saca sacc sacn sacs sacu safa safb safc saff safu sala salc salf sall sals salu sana sann sans sanu sasa sasc sasf sasl sass saua sauc sauf saul saun saus sbaa sbac sbas sbbs sbca sbcc sbcs sbfc sbsa sbus scaa scab scac scaf scal scan scas scba sccc sccl sccs scfa scfc scl- sclc scls scna scsa scsc scsl scsn scsu scua scub scul scun sfas sfba sfbc sfca sfcc sfcs sffc sfla sflc sfls sfnb sfss sfsu slaa slab slac slaf slan slas slau slcc slcu slln slsa slsc slsu slub sluc snab snas snba snca sncc sncf snfu snla snlf snns snub snus ssaa ssab ssac ssan ssas ssau ssbn ssca sscc sscs ssfc ssfl ssla sslc ssns sssa sssb sssc sssf ssss suan suas sub- suba subb subl subs suc- succ sucs suf- sufa sufc suff sufs sufu sul- sula sulc sulf sull sulu sun- suna sunb sunn suns sunu sus- susa suss susu suus uabc uaca uafa uasa uaua ubac ubal ubba ubla ubls ucal ucan ucas ucbc ucca ucfa ucfb ucla ucsa ucsb ucsc ucsf ucsu ucua ufcu uffa ulaa ulan ulas ulbc