-er a-a a-b a-i aaa aab aae aai aak aam aao aar ab- aba abb abe abi abk abm abo abr aea aeb aee aei aek aem aeo aer ai- aia aib aie aii aik aim aio air aka akb ake aki akk akm ako akr ama amb ame ami amk amm amo amr aoa aob aoe aoi aok aom aoo aor ar- ara arb are ari ark arm aro arr baa bab bae bai bak bam bao bar bba bbb bbe bbi bbk bbm bbo bbr be- bea beb bee bei bek bem beo ber bi- bia bib bie bii bik bim bio bir bka bkb bke bkk bkm bko bkr bma bmb bme bmi bmk bmm bmo bmr boa bob boe boi bok bom boo bor bra brb bre bri brk brm bro brr eaa eab eae eai eak eam eao ear eba ebb ebe ebi ebk ebm ebo ebr eea eeb eee eek eem eeo eer eia eib eie eii eik eim eio eir eka ekb eke eki eko ekr em- ema emb eme emi emk emm emo emr eo- eoa eob eoe eoi eok eom eoo eor era erb ere eri erk erm ero err ia- iaa iab iae iai iam iao iar iba ibb ibe ibi ibk ibm ibo ibr ie- iea iee iei iek iem ier iia iib iie iii iim iio iir ika ikb ike iki ikk iko ikr im- ima imb ime imi imm imo io- ioa iob ioe ioi iom ioo ior ir- ira irb ire iri irk irm iro irr ka- kaa kab kae kai kak kam kao kar kba kbb kbe kbi kbk kbm kbo kbr ke- kea keb kee kei kek kem keo ker kia kib kie kii kik kim kio kir kkb kke kki kkk kkm kkr kma kmb kme kmi kmk kmm kmo koa kob koe koi kok kom koo kor kra kri krk kro krr m-o m-r maa mab mae mai mak mam mao mar mba mbb mbe mbi mbk mbm mbo mbr mea meb mee mei mek mem meo mer mi- mia mib mie mii mik mim mio mir mka mkb mke mkk mkm mko mkr mma mmb mme mmi mmk mmm mmo mmr moa mob moe moi mok mom moo mor mra mrb mre mri mrk mrm mro mrr o-i oaa oab oae oai oak oam oao oar ob- oba obb obe obi obk obm obo obr oea oeb oee oei oem oeo oer oia oib oie oii oik oim oio oir oka okb oke oki okk oko okr om- oma omb ome omi omm omo omr oo- ooa oob ooi ook oom ooo oor or- ora orb ore ori ork orm oro orr ra- raa rab rae rai rak ram rao rar rba rbb rbe rbi rbk rbm rbo rbr re- rea reb ree rei rek rem reo rer ria rib rie rii rik rim rio rir rkb rke rkk rkm rko rma rmb rme rmi rmm rmo rmr roa rob roe roi rok rom roo ror rra rrb rri rrk rrm rrr

a-ak a-be a-ii a-ok aaaa aaab aaae aaai aaam aaar aaba aabb aabi aabm aaea aaem aaib aaii aaka aake aama aamb aame aami aamo aamr aaoe aaoo aara aare aari aarm aaro abaa abab abae abai abak abam abar abb- abba abbb abbe abbi abbo abbr abee aber abia abib abie abim abir abma abmb aboa abob abok aboo abor abra abri abro aebi aeer aeio aeka aeom aer- aera aeri aero aiai aiba aibo aiea aiee aiia aiib aiir aika aike aiki aiko aime aimi aimm aimo aioi aira aire airi airo akaa akae akai akam akao akar akee aker akia akie akik akim akio akir akka akki akko akok akom akr- akra akre amaa amae amai amam amar amb- amba ambe ambi ambo ambr amee amei amer amia amib amie amii amik amir amka amm- amma amme ammi ammo amob amoi amok amoo amor amra amri amro aoba aoki aoma aora aorb arab arae arai arak aram arar arba arbe arbi area aree arei arek arem areo aria arib arie arii arik arim ario arka arke arki arko arma arme armi armm armo aroa arob aroe aroi arom aroo aror arr- arra arre arri arrk arro arrr ba-i baaa baak baam baar baba babb babe babi babm babo babr baek baer baia baib baie baik baio bair bak- baka bake baki bako bakr bama bamb bame bami bamm bar- bara barb bare bari bark barm baro barr bbbb bbeb beak beam bear beba bebb bebe bebi bebo beeb beek beem beer beia beik beim beir beka beke beki beko bema beme beo- beok beor bera bere beri berk berm bero berr biak biao biar biba bibb bibe bibi bibo bieb bier bike biko bima bimo bio- bioi bira birb bire biri birk biro birr bmaa bmir bmmi boab boai boak boar boba bobb bobe bobi bobo boea boee boeo boer boi- boie boii boim boka boke boki boko boma bomb bome bomi boob booe book boom boor bor- bora bore bori bork borm boro borr brab brae brai brak bram brao brea breb bree brei brek brem breo brer bria brie brik brim brio brka brkb broa brob broe brok brom broo bror brrm brrr eaba eama eame eaom eara earb eare earo ebam ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eeka eeke eemo eera eero eiao eiei eier eika eike eiki eiko eime eimi eira eire eka- ekab ekam ekeb ekek eker ekka ekki ekma ekoa ekoi emae emam emar emba embe embi embo embr emek emer emia emii emim emir emma emme emmi emor emra emre eoir eoka eora eore eori eram erba erbb erbe ereb erei erem erer eria erie erik erim erio erke erki erma erme ermo erob eroe eroi eroo erra erre erro i-be iaaa iaai iaba iabm iaea iaia iaim iama iamb iame iami iara iare ibar ibbm ibea ibia ibie ibim ibma ibra ibri ibro ieie