-er a-a a-b aaa aab aae aar aas aau ab- aba abb abe abr abs abu aea aeb aee aer aes aeu ar- ara arb are arr ars aru as- asa asb ase asr ass asu au- aua aub aue aur aus b-u baa bab bae bar bas bau bba bbb bbe bbr bbs bbu be- bea beb bee ber bes beu bra brb bre brr brs bru bsa bsb bse bsr bss bsu bua bub bue bur bus buu eaa eab eae ear eas eau eba ebb ebe ebr ebs ebu eea eeb eee eer ees era erb ere err ers eru es- esa esb ese esr ess esu eu- eua eub eue eur eus ra- raa rab rae rar ras rau rba rbb rbe rbr rbs rbu re- rea reb ree rer res reu rra rrb rrr rrs rru rsa rsb rse rsr rss rsu rua rub rue rur rus ruu saa sab sae sar sas sau sba sbb sbe sbr sbs sbu se- sea seb see ser ses seu sr- sra srb sre srr srs ss- ssa ssb sse ssr sss ssu sua sub sue sur sus suu ua- uaa uab uae uar uas uau uba ubb ube ubr ubs ubu uea ueb uee uer ues ur- ura urb ure urr urs uru usa usb use usr uss usu uua uue uur uus uuu

-ase a-be aaaa aaab aaae aaar aaas aaba aabb aaea aaes aara aare aars aaru aasa aase aass aasu aaus abaa abab abae abar abas abau abb- abba abbb abbe abbr abbs abee aber abes abra abrs abs- absa abse abss absu abua abue abus aeas aebs aeer aer- aera aers aess arab arae arar aras arau arba arbe arbs area aree ares areu arr- arra arre arrr arrs arru ars- arsa arse arsu arua arub arue asaa asab asae asar asas asau asba asbu asea asee aser ases asra asrs asru assa asse assr asss assu asub asue asur asus auaa aube auer aur- aura aure ausa ause ausu baaa baar baas baba babb babe babr babs babu baer baes bar- bara barb bare barr bars baru basa base bass basu bau- baur bbas bbau bbbb bbbs bbeb bear beas beau beba bebb bebe beeb beer bees bera bere berr bers beru bes- besa bese bess beur brab brae bras brau brea breb bree brer bres brrr brrs brsb brsr brue brus bsaa bsas bsea bseb bsee bser bses bsra bsse buar buba bubb bube bubs bubu buea buer bueu bur- bura burb bure burr burs buru busa buse buss busu buus eaba eara earb eare ears easa ease eaus ebba ebbr ebbs eber ebes ebru ebsa ebur ebus eeea eeee eees eera eers eese eras erau erba erbb erbe ereb erer eres erra erre errs ersa erse erua erub erur erus esab esar esas esau esba esbs esea esee eser eses esra essa esse essu esus euba euer eur- eura eure eusa euse raab raas raba rabb rabe rabs rabu raer raes 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 rera rere rers reru resa rese ress reue reus reuu rras rrrr rsaa rsee rsre rssa rsua ruas ruba rubb rube rubs rubu ruer rues rura rure rurs ruru rusa ruse russ rusu saab saae saar saas saba sabb sabe sabr sabs sabu saeb saer saes sara sare sarr sars saru sasa sase sass saua saue saur saus sbaa sbar sbas sbbs sber sbsa sbse sbus se-e se-s se-u seaa seab sear seas seau seba sebe sebs seea seeb seer sees seeu sera serb sere serr sers seru sesa sese sess seur sras sreb sres srub ssaa ssab ssas ssau ssbr ssee sses ssra ssrs sssa sssb ssss suar suas sub- suba subb subs suee suer sues sueu sur- sura sure surr surs suru sus- susa suse suss susu suus uaes uars uaru uasa uaua ubar ubba ubbe uber ubra ueba uers uess uras urau urba urbe urbs ure- urea ures urra urre ursa urse urss ursu urur urus us-a usaa usar usas usba usbe usbr usbs usea usee user uses usra ussa ussb usse ussr usss ussu usua usus uuuu

-aaa- a-sea aaaas aaaee aaasa aaass aabaa aabba aabra aarau aasee aasra abaab ababa ababe ababs ababu abaer abara abare abaru abasa abase abass abbar abbas abbes abbrs abbur abear abeau abeba abebe abeer abees abera abere aberr abrar abras abres abreu abrus absar absee abura aburr abuse aeaea aebbe aeres aerru aerus ar-ab arab- araba arabe arabs araea arara arare arars araru arase arass arasu arbab arbar arbas arbee arber arbre arbus areae arear areas arees arere arese areus arras arrau arrea arres arrua arses aruaa aruba arura aruru arus- arusa asaba asara asare asasa asbru asear asebu aseer asere asers asrar assab assas asse- asser asses assur asubs asura asure auass aubas auber auers aurae aurar auras aurea aurra ausar ausee auser auseu ausra aussa baabe baars babar babas babau babbs babee baber babes babra babur babus baers baraa barab barar baras barba barbe barbs barbu barea barer bares barra barre barrs barru barsa barse barss barua barus basab basar baser bases basra bassa basse bassu bauer baura baure bauru bause bbbee bbear bbser bbuss be-er beara beare bears bease beaus bebar beber bebes bebra beebe beebs beers berar berau berba berbe berea beres berra berre berru bersa berse berus besar besas besee besra bessa besse beuer beure braas braes brasa brase brass breas breba brebu breer brees brera brere brers brese bress breu- brrar brrrr bruer brues brusa bruse bruss bsaba bsure bubas bubba bubbe buber buraa buras burbs burea bures burra burrs burru bursa burse burus busaa buser buses busra bussa busse bussu busua busur busuu earar eares earss easer eases easse ebara ebber ebers ebure eeeee erase erbaa erbar erbbe erber erear erebs erere eresa erras erres ersar erses erubs esaus esbus esera esere essar