-er a-a a-b aaa aab aad aae aak aam aar aau ab- aba abb abd abe abk abm abr abu ad- ada adb add ade adk adm adr adu aea aeb aed aee aek aem aer aeu aka akb akd ake akk akm akr aku ama amb amd ame amk amm amr amu ar- ara arb ard are ark arm arr aru au- aua aub aud aue auk aum aur b-u baa bab bad bae bak bam bar bau bba bbb bbd bbe bbk bbm bbr bbu bda bdb bdd bde bdk bdm bdr bdu be- bea beb bed bee bek bem ber beu bka bkb bke bkk bkm bkr bma bmb bmd bme bmk bmm bmr bmu bra brb brd bre brk brm brr bru bua bub bud bue buk bum bur buu daa dab dad dae dak dam dar dau dba dbb dbd dbe dbk dbm dbr dbu dda ddb ddd dde ddk ddm ddr ddu de- dea deb ded dee dek dem der deu dka dkb dke dkk dkm dkr dku dma dmb dmd dme dmk dmm dmr dmu dra drb drd dre drk drm drr dru dua dub dud due duk dum dur eaa eab ead eae eak eam ear eau eba ebb ebd ebe ebk ebm ebr ebu ed- eda edb edd ede edk edm edr edu eea eeb eed eee eek eem eer eka ekb ekd eke ekr eku em- ema emb emd eme emk emm emr emu era erb erd ere erk erm err eru eu- eua eub eud eue eur ka- kaa kab kad kae kak kam kar kau kba kbb kbd kbe kbk kbm kbr kbu kda kdb kde kdk kdm kdr kdu ke- kea keb ked kee kek kem ker kkb kke kkk kkm kkr kku kma kmb kmd kme kmk kmm kmu kra krd krk krr kru kub kud kue kuk kum kur kuu m-r maa mab mad mae mak mam mar mau mba mbb mbd mbe mbk mbm mbr mbu mda mdb mdd mde mdk mdm mdr mdu mea meb med mee mek mem mer meu mka mkb mkd mke mkk mkm mkr mku mma mmb mmd mme mmk mmm mmr mmu mra mrb mrd mre mrk mrm mrr mru mua mub mud mue muk mum mur muu ra- raa rab rad rae rak ram rar rau rba rbb rbd rbe rbk rbm rbr rbu rda rdb rdd rde rdm rdr rdu re- rea reb red ree rek rem rer reu rkb rke rkk rkm rku rma rmb rmd rme rmm rmr rra rrb rrd rrk rrm rrr rru rua rub rud rue ruk rum rur ruu ua- uaa uab uad uae uak uam uar uau uba ubb ube ubk ubr ubu uda udb udd ude udk udm udr udu uea ueb ued uee uem uer uka ukb uke ukk ukr uku um- uma umb umd ume umm umr umu ur- ura urb urd ure urk urm urr uru uua uue uum uur uuu

a-ak a-be aaaa aaab aaad aaae aaam aaar aaba aabb aabd aabm aada aade aadu aaea aaem aaka aake aaku aama aamb aamd aame aamr aara aard aare aarm aaru abaa abab abad abae abak abam abar abau abb- abba abbb abbe abbr abda abdu abed abee aber abma abmb abra abua abud abue abuk abum adaa adab adad adae adak adam adar adba adda addd adde addr addu adea adeb adee adem ader adma admb adme admr adra adre adua adub adue aduk adur aede aeer aeka aer- aera aerd akaa akae akam akar aked akee aker akeu akka akku akr- akra akre akua amaa amad amae amam amar amb- amba ambe ambr ambu amda amed amee amer ameu amka amm- amma amme ammu amra amua amud amum amur arab arad arae arak aram arar arau arba arbe arda arde ardm ardu area ared aree arek arem areu arka arke arma armd arme armm armu arr- arra arre arrk arrr arru arua arub arud arue arum auaa aube aude auer auke auma aur- aura aurd aure baaa baad baak baam baar baba babb babe babm babr babu bada badb badd bade badr badu baed baek baer bak- baka bake bakr baku bama bamb bame bamm bamu bar- bara barb bard bare bark barm barr baru bau- baud bauk baum baur bbad bbau bbbb bbdd bbeb bd-r bdrm bead beak beam bear beau beba bebb bebe beda bede bedu beeb beed beek beem beer beka beke bema beme bemu bera berd bere berk berm berr beru beuk beur bmaa bmdb brab brad brae brak bram brau brda brdm brea breb bred bree brek brem brer brka brkb brrm brrr brud brue brum buad buar buba bubb bube bubu buda budb budd bude budu buea buem buer bueu buka buke bukk buku bum- buma bumb bur- bura burb burd bure burk burm burr buru daab daad daae daam daar daau daba dabb dabu dada dade dadu daeb daem daer daeu daka dake daku dama damb dame damm damu dara darb dard dare dark darr daru daub daud daue dauk daum daur dbar dddd ddre ddub dead deae deak dear deau deba debe debu deda dedd dede dedu deeb deed deek deem deer dek- deka deke dem- dema demb demd deme demu der- dera derb dere derk derm derr deua deue deuk deum deur dkba dmaa dmab dmae dmba dmea dmrb draa drab drad drak dram drar drau drba drda drea dred dree drek drem drmk drra drua drub drue druk drum druu duaa duab duad duar dub- duba dubb dube dubu duda dudd dude dudu duer duka duke duku duma dumb dume dumm dura dure durk duru duur eaba eada eadb eadd eama eame eara earb eard eare ebam ebba ebbr ebed eber ebru ebur edad edam edar edda edde eddm ede- edea edem eder edma edme edra edrm edru edur eede eedu eeea eeee eeka eeke eera eka- ekab ekam ekeb eked ekek eker ekka ekma ekur emad emae emam emar emba embd embe