-er a-a a-b aaa aab aae aag aak aar aas aau ab- aba abb abe abg abk abr abs abu aea aeb aee aeg aek aer aes aeu ag- aga agb age agg agk agr ags agu aka akb ake akg akk akr aks aku ar- ara arb are arg ark arr ars aru as- asa asb ase asg ask asr ass asu au- aua aub aue aug auk aur aus b-u baa bab bae bag bak bar bas bau bba bbb bbe bbg bbk bbr bbs bbu be- bea beb bee beg bek ber bes beu bga bgb bge bgg bgk bgr bgs bgu bka bkb bke bkg bkk bkr bks bra brb bre brg brk brr brs bru bsa bsb bse bsg bsk bsr bss bsu bua bub bue bug buk bur bus buu eaa eab eae eag eak ear eas eau eba ebb ebe ebg ebk ebr ebs ebu eea eeb eee eeg eek eer ees ega egb ege egg egr egs egu eka ekb eke ekg ekr eks eku era erb ere erg erk err ers eru es- esa esb ese esg esk esr ess esu eu- eua eub eue eug eur eus gaa gab gae gag gak gar gas gau gba gbe gbg gbk gbr gbs gbu ge- gea geb gee geg gek ger ges geu gga ggb ggg ggr ggs ggu gka gkb gks gra grb gre grg grk grr grs gru gsa gsb gse gsg gsk gsr gss gsu gu- gua gub gue gug guk gur gus guu ka- kaa kab kae kag kak kar kas kau kba kbb kbe kbk kbr kbs kbu ke- kea keb kee keg kek ker kes kga kgb kgs kgu kkb kke kkk kkr kks kku kra krg krk krr krs kru ksa ksb kse ksg ksk ksr kss ksu kub kue kug kuk kur kus kuu ra- raa rab rae rag rak rar ras rau rba rbb rbe rbg rbk rbr rbs rbu re- rea reb ree reg rek rer res reu rga rgb rge rgg rgk rgr rgs rkb rke rkg rkk rks rku rra rrb rrg rrk rrr rrs rru rsa rsb rse rsg rsk rsr rss rsu rua rub rue rug ruk rur rus ruu saa sab sae sag sak sar sas sau sba sbb sbe sbg sbk sbr sbs sbu se- sea seb see seg sek ser ses seu sga sgb sge sgg sgk sgr sgs sgu sk- ska skb ske skg skk skr sks sku sr- sra srb sre srg srk srr srs ss- ssa ssb sse ssg ssk ssr sss ssu sua sub sue sug suk sur sus suu ua- uaa uab uae uag uak uar uas uau uba ubb ube ubg ubk ubr ubs ubu uea ueb uee ueg uer ues uga ugb uge ugg ugk ugr ugs ugu uka ukb uke ukk ukr uku ur- ura urb ure urg urk urr urs uru usa usb use usg usk usr uss usu uua uue uug uur uus uuu

-ase a-ak a-be aaaa aaab aaae aaar aaas aaba aabb aaea aaes aage aaka aake aaku aara aare aars aaru aasa aase aass aasu aaus abaa abab abae abag abak abar abas abau abb- abba abbb abbe abbr abbs abee aber abes abra abrs abs- absa abse abss absu abua abue abug abuk abus aeas aebs aeer aega aeka aer- aera aers aess agag agar agas agau agba agea agee ager ages agga agge aggu agra agre agsa agsg agsu agua ague agur agus akaa akae akar akas akee akeg aker akes akeu akka akku akr- akra akre aksa aksu akua arab arae arag arak arar aras arau arba arbe arbs area aree areg arek ares areu arga argb arge args arka arke arks arr- arra arre arrg arrk arrr arrs arru ars- arsa arse arsk arsu arua arub arue arug asaa asab asae asag asak asar asas asau asba asbu asea asee asek aser ases asge aska aske askr asks asra asrg asrs asru assa asse assk assr asss assu asub asue asur asus auaa aube auer auga auge augs auke auks aur- aura aure ausa ause ausu auug baaa baak baar baas baba babb babe babr babs babu baek baer baes baga bage bagg bags bak- baka bake bakr baks baku bar- bara barb bare barg bark barr bars baru basa base bask bass basu bau- baug bauk baur bbas bbau bbbb bbbs bbeb bbga bbrg beag beak bear beas beau beba bebb bebe beeb beeg beek beer bees bega begg begs begu beka beke beks bera bere berg berk berr bers beru bes- besa bese besk bess beuk beur bggs brab brae brag brak bras brau brea breb bree breg brek brer bres brka brkb brrr brrs brsb brsr brue brug brus bsaa bsas bsea bseb bsee bseg bser bses bsgs bsra bsse buar buba bubb bube bubs bubu buea buer bueu buga buge bugg bugs buka buke bukk buku bur- bura burb bure burg burk burr burs buru busa buse busk buss busu buus eaba eaga eage eara earb eare ears easa ease eaus ebba ebbr ebbs eber ebes ebru ebsa ebur ebus eeea eeee eees eega eegs eeka eeke eeks eera eerg eers eese eesk egaa egae egar egas egba egbe egbu egea egee eger eggb egge eggs egks egra egre egss eka- ekab ekeb ekek eker ekes ekgs ekka ekur eras erau erba erbb erbe ereb erer eres erg- erga ergg ergs erke erks erra erre errs ersa erse erua erub erur erus esab esag esar esas esau esba esbs esea esee esek eser eses eska eske esks esku esra essa esse essg essu esus euba euer euge eur- eura eure eusa euse gaar gaas gaba gabb gabe gabr gabs gabu gaea gaer gaes gaga gage gagg gags gagu gaku gara garb gare garg garr gars gasa gasb gase gask gasr gass gaua gaub gaue gauk gaur gaus gbag gbas gbbs geab gear geas geba gebe geek geer gees gege gegg gera gerb gere gers