-er a-a a-b aaa aab aae aag aar aas aau ab- aba abb abe abg abr abs abu aea aeb aee aeg aer aes aeu ag- aga agb age agg agr ags agu ar- ara arb are arg arr ars aru as- asa asb ase asg asr ass asu au- aua aub aue aug aur aus b-u baa bab bae bag bar bas bau bba bbb bbe bbg bbr bbs bbu be- bea beb bee beg ber bes beu bga bgb bge bgg bgr bgs bgu bra brb bre brg brr brs bru bsa bsb bse bsg bsr bss bsu bua bub bue bug bur bus buu eaa eab eae eag ear eas eau eba ebb ebe ebg ebr ebs ebu eea eeb eee eeg eer ees ega egb ege egg egr egs egu era erb ere erg err ers eru es- esa esb ese esg esr ess esu eu- eua eub eue eug eur eus gaa gab gae gag gar gas gau gba gbe gbg gbr gbs gbu ge- gea geb gee geg ger ges geu gga ggb ggg ggr ggs ggu gra grb gre grg grr grs gru gsa gsb gse gsg gsr gss gsu gu- gua gub gue gug gur gus guu ra- raa rab rae rag rar ras rau rba rbb rbe rbg rbr rbs rbu re- rea reb ree reg rer res reu rga rgb rge rgg rgr rgs rra rrb rrg rrr rrs rru rsa rsb rse rsg rsr rss rsu rua rub rue rug rur rus ruu saa sab sae sag sar sas sau sba sbb sbe sbg sbr sbs sbu se- sea seb see seg ser ses seu sga sgb sge sgg sgr sgs sgu sr- sra srb sre srg srr srs ss- ssa ssb sse ssg ssr sss ssu sua sub sue sug sur sus suu ua- uaa uab uae uag uar uas uau uba ubb ube ubg ubr ubs ubu uea ueb uee ueg uer ues uga ugb uge ugg ugr ugs ugu ur- ura urb ure urg urr urs uru usa usb use usg usr uss usu uua uue uug uur uus uuu

-ase a-be aaaa aaab aaae aaar aaas aaba aabb aaea aaes aage aara aare aars aaru aasa aase aass aasu aaus abaa abab abae abag abar abas abau abb- abba abbb abbe abbr abbs abee aber abes abra abrs abs- absa abse abss absu abua abue abug abus aeas aebs aeer aega 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 arab arae arag arar aras arau arba arbe arbs area aree areg ares areu arga argb arge args arr- arra arre arrg arrr arrs arru ars- arsa arse arsu arua arub arue arug asaa asab asae asag asar asas asau asba asbu asea asee aser ases asge asra asrg asrs asru assa asse assr asss assu asub asue asur asus auaa aube auer auga auge augs aur- aura aure ausa ause ausu auug baaa baar baas baba babb babe babr babs babu baer baes baga bage bagg bags bar- bara barb bare barg barr bars baru basa base bass basu bau- baug baur bbas bbau bbbb bbbs bbeb bbga bbrg beag bear beas beau beba bebb bebe beeb beeg beer bees bega begg begs begu bera bere berg berr bers beru bes- besa bese bess beur bggs brab brae brag bras brau brea breb bree breg brer bres 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 bur- bura burb bure burg burr burs buru busa buse 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 eera eerg eers eese egaa egae egar egas egba egbe egbu egea egee eger eggb egge eggs egra egre egss eras erau erba erbb erbe ereb erer eres erg- erga ergg ergs erra erre errs ersa erse erua erub erur erus esab esag esar esas esau esba esbs esea esee eser eses 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 gara garb gare garg garr gars gasa gasb gase gasr gass gaua gaub gaue gaur gaus gbag gbas gbbs geab gear geas geba gebe geer gees gege gegg gera gerb gere gers geru gesg gess gesu geue gggg ggss grab grae gras grau grbr grea greb gree greg gres greu grrr grrs grss grua grub grue grug grur grus gsab gsea gsse gsur guaa guag guar guba gubb gubs gubu guer gues guga gugb guge gugg gugu gura gurb gure gurg gurr gurs guru gusa gusb guse guss guus raab raag raas raba rabb rabe rabs rabu raeg raer raes raga rage ragg rags ragu rara rarb rare rars rasa rase rass rasu raua raub raue raus rbbb rbbr rbbs rbss rea- reae rear reas reau reba rebb rebe rebs rebu reeb rees rega rege regr regs regu rera rere rerg rers reru resa rese ress reue reus reuu rgba rgbe rras rrrr rsaa rsee rsgb rsre rssa rsua ruag ruas ruba rubb rube rubs rubu ruer rues ruga ruge rugg rugs rura rure rurs ruru rusa ruse russ rusu saab saae saag saar saas saba sabb sabe sabr sabs sabu saeb saer saes saga sage sagg sags sagu sara sare sarg sarr sars saru sasa sase sass saua saue saur saus sbaa sbar sbas sbbs sber sbsa sbse sbus se-e se-g se-s se-u seaa seab sear seas seau seba sebe sebs seea seeb seeg seer sees seeu sega sege segg segs segu sera serb sere serg serr sers seru sesa sese sess seur sgaa sgau sger sges sggg sggs sgss sras sreb sres srgb srub ssaa ssab ssas ssau ssbr