-er a-a a-b aaa aab aae aak aam aar aau ab- aba abb abe abk abm abr abu aea aeb aee aek aem aer aeu aka akb ake akk akm akr aku ama amb ame amk amm amr amu ar- ara arb are ark arm arr aru au- aua aub aue auk aum aur b-u baa bab bae bak bam bar bau bba bbb bbe bbk bbm bbr bbu be- bea beb bee bek bem ber beu bka bkb bke bkk bkm bkr bma bmb bme bmk bmm bmr bmu bra brb bre brk brm brr bru bua bub bue buk bum bur buu eaa eab eae eak eam ear eau eba ebb ebe ebk ebm ebr ebu eea eeb eee eek eem eer eka ekb eke ekr eku em- ema emb eme emk emm emr emu era erb ere erk erm err eru eu- eua eub eue eur ka- kaa kab kae kak kam kar kau kba kbb kbe kbk kbm kbr kbu ke- kea keb kee kek kem ker kkb kke kkk kkm kkr kku kma kmb kme kmk kmm kmu kra krk krr kru kub kue kuk kum kur kuu m-r maa mab mae mak mam mar mau mba mbb mbe mbk mbm mbr mbu mea meb mee mek mem mer meu mka mkb mke mkk mkm mkr mku mma mmb mme mmk mmm mmr mmu mra mrb mre mrk mrm mrr mru mua mub mue muk mum mur muu ra- raa rab rae rak ram rar rau rba rbb rbe rbk rbm rbr rbu re- rea reb ree rek rem rer reu rkb rke rkk rkm rku rma rmb rme rmm rmr rra rrb rrk rrm rrr rru rua rub rue ruk rum rur ruu ua- uaa uab uae uak uam uar uau uba ubb ube ubk ubr ubu uea ueb uee uem uer uka ukb uke ukk ukr uku um- uma umb ume umm umr umu ur- ura urb ure urk urm urr uru uua uue uum uur uuu

a-ak a-be aaaa aaab aaae aaam aaar aaba aabb aabm aaea aaem aaka aake aaku aama aamb aame aamr aara aare aarm aaru abaa abab abae abak abam abar abau abb- abba abbb abbe abbr abee aber abma abmb abra abua abue abuk abum aeer aeka aer- aera akaa akae akam akar akee aker akeu akka akku akr- akra akre akua amaa amae amam amar amb- amba ambe ambr ambu amee amer ameu amka amm- amma amme ammu amra amua amum amur arab arae arak aram arar arau arba arbe area aree arek arem areu arka arke arma arme armm armu arr- arra arre arrk arrr arru arua arub arue arum auaa aube auer auke auma aur- aura aure baaa baak baam baar baba babb babe babm babr babu baek baer bak- baka bake bakr baku bama bamb bame bamm bamu bar- bara barb bare bark barm barr baru bau- bauk baum baur bbau bbbb bbeb beak beam bear beau beba bebb bebe beeb beek beem beer beka beke bema beme bemu bera bere berk berm berr beru beuk beur bmaa brab brae brak bram brau brea breb bree brek brem brer brka brkb brrm brrr brue brum buar buba bubb bube bubu buea buem buer bueu buka buke bukk buku bum- buma bumb bur- bura burb bure burk burm burr buru eaba eama eame eara earb eare ebam ebba ebbr eber ebru ebur eeea eeee eeka eeke eera eka- ekab ekam ekeb ekek eker ekka ekma ekur emae emam emar emba embe embr emek emer emeu emma emme emmu emra emre eram erau erba erbb erbe ereb erem erer erke erma erme erra erre erua erub erum erur euba euer eur- eura eure kaaa kaab kaak kaam kaar kaba kabb kabe kabr kabu kaer kaka kake kakk kakm kaku kam- kama kamb kame kamm kamr kamu kara karb kare kark karm karr karu kau- kaub kaue kauk kaum kaur kbaa kbab kbae kbak kbam kbar kbba kbbb kbbe kbbk kbbm kbbr kbbu kbeb kbee kbek kber kbkb kbkk kbkr kbmb kbme kbmr kbra kbrb kbre kbrk kbru kbua kbub kbue kbuk kbur kbuu kea- keak keam kear keau keba kebb kebe kebr kebu keek keem keer keka kekb keke keku kema kemb keme kemm kemr kemu ker- kera kerb kere kerk kerm kerr keru keur kkaa kkam kkar kkba kkbb kkbe kkbr kkea kkkk kkma kkmk kkmr kkrb kkre kkrk kkrr kkua kkuu kmae kmak kmam kmbr kmea kmem kmer kmke kmkk kmme kmmk kmmm kmmr kmrb kmrr kmue kmur krab krae krak kram krar krba krbb krbe krbk krbm krbr krea kreb kree krek krem kreu krka krke krkk krkr krku krma krmb krme krmr krrb krre krrk krrm krrr krua krue kruk krum krur kuam kuar kuau kuba kubb kube kubr kubu kuek kueu kuka kuke kukk kuku kuma kume kumm kumr kumu kura kurb kure kurk kurm kurr kuru kuub kuuk kuur kuuu maaa maak maam maar maba mabe mabu maee maem maer maka make maku mama mame mamu mar- mara mare mark marm marr maru maua mauk maum maur mbam mbba meak mear mebe meek meem meer meka meke mema meme memr memu mer- mera merb mere merk merm meru meum mkak mker mmaa mmab mmar mmea mmmm mrbb mrbm mreb mree mrkr mruk muak muar mube muee muka muke muma mume mumm mumu mura mure murk murr muru raab raak raam raba rabb rabe rabk rabu raer raka rake rakk raku rama ramb rame ramm ramu rara rarb rare rark raua raub raue rauk raum rbbb rbbr rbmk rea- reae reak ream rear reau reba rebb rebe rebk rebu reeb reek reem reka reke rema reme rera rere reru reue reuk reuu rrkm rrrr rrum ruba rubb rube rubu ruer ruka ruke rukk ruku ruma rumb rume rumm rura rure ruru uaru uaua ubar ubba ubbe ubek uber ubra ueba ukba ukek ukeu ukma ukra ukum ukur umaa umak umar umb- umba umbe umer umka umma umra urau urba urbe