-er a-a a-b aaa aab aad aae aar aas aau ab- aba abb abd abe abr abs abu ad- ada adb add ade adr ads adu aea aeb aed aee aer aes aeu ar- ara arb ard are arr ars aru as- asa asb asd ase asr ass asu au- aua aub aud aue aur aus b-u baa bab bad bae bar bas bau bba bbb bbd bbe bbr bbs bbu bda bdb bdd bde bdr bds bdu be- bea beb bed bee ber bes beu bra brb brd bre brr brs bru bsa bsb bsd bse bsr bss bsu bua bub bud bue bur bus buu daa dab dad dae dar das dau dba dbb dbd dbe dbr dbs dbu dda ddb ddd dde ddr dds ddu de- dea deb ded dee der des deu dra drb drd dre drr drs dru dsa dsb dsd dse dsr dss dsu dua dub dud due dur dus eaa eab ead eae ear eas eau eba ebb ebd ebe ebr ebs ebu ed- eda edb edd ede edr eds edu eea eeb eed eee eer ees era erb erd ere err ers eru es- esa esb esd ese esr ess esu eu- eua eub eud eue eur eus ra- raa rab rad rae rar ras rau rba rbb rbd rbe rbr rbs rbu rda rdb rdd rde rdr rds rdu re- rea reb red ree rer res reu rra rrb rrd rrr rrs rru rsa rsb rsd rse rsr rss rsu rua rub rud rue rur rus ruu saa sab sad sae sar sas sau sba sbb sbd sbe sbr sbs sbu sda sdb sdd sde sdr sds sdu se- sea seb sed see ser ses seu sr- sra srb srd sre srr srs ss- ssa ssb ssd sse ssr sss ssu sua sub sud sue sur sus suu ua- uaa uab uad uae uar uas uau uba ubb ube ubr ubs ubu uda udb udd ude udr uds udu uea ueb ued uee uer ues ur- ura urb urd ure urr urs uru usa usb usd use usr uss usu uua uue uur uus uuu

-ase a-be aaaa aaab aaad aaae aaar aaas aaba aabb aabd aada aade aads aadu aaea aaes aara aard aare aars aaru aasa aasd aase aass aasu aaus abaa abab abad abae abar abas abau abb- abba abbb abbe abbr abbs abda abdu abed abee aber abes abra abrs abs- absa absd abse abss absu abua abud abue abus adaa adab adad adae adar adas adba adda addd adde addr adds addu adea adeb adee ader ades adra adre adrs adsa adsr adss adua adub adue adur aeas aebs aede aeer aer- aera aerd aers aesd aess arab arad arae arar aras arau arba arbe arbs arda arde ards ardu area ared aree ares areu arr- arra arre arrr arrs arru ars- arsa arsd arse arsu arua arub arud arue asaa asab asad asae asar asas asau asba asbu asda asde asds asea asee aser ases asra asrs asru assa assd asse assr asss assu asub asud asue asur asus auaa aube aude auer aur- aura aurd aure ausa ausd ause ausu baaa baad baar baas baba babb babe babr babs babu bada badb badd bade badr bads badu baed baer baes bar- bara barb bard bare barr bars baru basa base bass basu bau- baud baur bbad bbas bbau bbbb bbbs bbdd bbeb bd-r bdes bdsd bead bear beas beau beba bebb bebe beda bede beds bedu beeb beed beer bees bera berd bere berr bers beru bes- besa bese bess beur brab brad brae bras brau brda brds brea breb bred bree brer bres brrr brrs brsb brsr brud brue brus bsaa bsas bsbd bsea bseb bsed bsee bser bses bsra bsrd bssd bsse buad buar buba bubb bube bubs bubu buda budb budd bude buds budu buea buer bueu bur- bura burb burd bure burr burs buru busa buse buss busu buus daab daad daae daar daas daau daba dabb dabs dabu dada dade dads dadu daeb daer daeu dara darb dard dare darr dars daru dasa dasb dasd dase dass daub daud daue daur daus dbar dbas dbrs dbsa dbss dbus dddd ddes ddre ddss ddub dead deae dear deas deau deba debe debs debu deda dedd dede dedu deeb deed deer dees der- dera derb dere derr ders des- desa dese dess desu deua deue deur deus draa drab drad drar dras drau drba drda drea dred dree dres drra drrs drsa drua drub drue drus druu dsba dsda dsdr dsea dsrr dssa duaa duab duad duar duas dub- duba dubb dube dubs dubu duda dudd dude duds dudu duer dues dura dure duru dusa duse duur eaba eada eadb eadd eads eara earb eard eare ears easa ease eaus ebba ebbr ebbs ebed eber ebes ebru ebsa ebur ebus edad edar edas edda edde edds ede- edea eder edes edra edru edsa edss edur eede eedu eeea eeee eees eera eers eese erad eras erau erba erbb erbe erda erde erds ereb ered erer eres erra erre errs ersa erse erua erub erur erus esab esad esar esas esau esba esbs esda esds esdu esea esee eser eses esra esrd essa esse essu esus euba eude euer eur- eura eure eusa euse raab raad raas raba rabb rabe rabs rabu rada radd rade radr rads radu raed raer raes rara rarb rare rars rasa rasd rase rass rasu raua raub raud raue raus rbbb rbbr rbbs rbds rbsd rbss rdas rder rea- read reae rear reas reau reba rebb rebe rebs rebu reda redd rede redr reds redu reeb reed rees rera rerd rere rers reru resa rese ress reue reus reuu rrad rras rred rrrr rsaa rsdd rsds rsee rsre rssa rsua ruad ruas ruba rubb rube rubs rubu ruda rudd rude ruds rued ruer rues rura rurd rure rurs ruru rusa ruse russ rusu ruud saab saad saae saar saas saba sabb sabe sabr sabs sabu sada sadb