-er a-a a-b a-i aaa aab aae aai aam aao aar ab- aba abb abe abi abm abo abr aea aeb aee aei aem aeo aer ai- aia aib aie aii aim aio air ama amb ame ami amm amo amr aoa aob aoe aoi aom aoo aor ar- ara arb are ari arm aro arr baa bab bae bai bam bao bar bba bbb bbe bbi bbm bbo bbr be- bea beb bee bei bem beo ber bi- bia bib bie bii bim bio bir bma bmb bme bmi bmm bmo bmr boa bob boe boi bom boo bor bra brb bre bri brm bro brr eaa eab eae eai eam eao ear eba ebb ebe ebi ebm ebo ebr eea eeb eee eem eeo eer eia eib eie eii eim eio eir em- ema emb eme emi emm emo emr eo- eoa eob eoe eoi eom eoo eor era erb ere eri erm ero err ia- iaa iab iae iai iam iao iar iba ibb ibe ibi ibm ibo ibr ie- iea iee iei iem ier iia iib iie iii iim iio iir im- ima imb ime imi imm imo io- ioa iob ioe ioi iom ioo ior ir- ira irb ire iri irm iro irr m-o m-r maa mab mae mai mam mao mar mba mbb mbe mbi mbm mbo mbr mea meb mee mei mem meo mer mi- mia mib mie mii mim mio mir mma mmb mme mmi mmm mmo mmr moa mob moe moi mom moo mor mra mrb mre mri mrm mro mrr o-i oaa oab oae oai oam oao oar ob- oba obb obe obi obm obo obr oea oeb oee oei oem oeo oer oia oib oie oii oim oio oir om- oma omb ome omi omm omo omr oo- ooa oob ooi oom ooo oor or- ora orb ore ori orm oro orr ra- raa rab rae rai ram rao rar rba rbb rbe rbi rbm rbo rbr re- rea reb ree rei rem reo rer ria rib rie rii rim rio rir rma rmb rme rmi rmm rmo rmr roa rob roe roi rom roo ror rra rrb rri rrm rrr

a-be a-ii aaaa aaab aaae aaai aaam aaar aaba aabb aabi aabm aaea aaem aaib aaii aama aamb aame aami aamo aamr aaoe aaoo aara aare aari aarm aaro abaa abab abae abai abam abar abb- abba abbb abbe abbi abbo abbr abee aber abia abib abie abim abir abma abmb aboa abob aboo abor abra abri abro aebi aeer aeio aeom aer- aera aeri aero aiai aiba aibo aiea aiee aiia aiib aiir aime aimi aimm aimo aioi aira aire airi airo amaa amae amai amam amar amb- amba ambe ambi ambo ambr amee amei amer amia amib amie amii amir amm- amma amme ammi ammo amob amoi amoo amor amra amri amro aoba aoma aora aorb arab arae arai aram arar arba arbe arbi area aree arei arem areo aria arib arie arii arim ario arma arme armi armm armo aroa arob aroe aroi arom aroo aror arr- arra arre arri arro arrr ba-i baaa baam baar baba babb babe babi babm babo babr baer baia baib baie baio bair bama bamb bame bami bamm bar- bara barb bare bari barm baro barr bbbb bbeb beam bear beba bebb bebe bebi bebo beeb beem beer beia beim beir bema beme beo- beor bera bere beri berm bero berr biao biar biba bibb bibe bibi bibo bieb bier bima bimo bio- bioi bira birb bire biri biro birr bmaa bmir bmmi boab boai boar boba bobb bobe bobi bobo boea boee boeo boer boi- boie boii boim boma bomb bome bomi boob booe boom boor bor- bora bore bori borm boro borr brab brae brai bram brao brea breb bree brei brem breo brer bria brie brim brio broa brob broe brom broo bror brrm brrr eaba eama eame eaom eara earb eare earo ebam ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eemo eera eero eiao eiei eier eime eimi eira eire emae emam emar emba embe embi embo embr emer emia emii emim emir emma emme emmi emor emra emre eoir eora eore eori eram erba erbb erbe ereb erei erem erer eria erie erim erio 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 ieio iema ieme iera iere ieri iiie iiii iiio iioi iioo iira imai imam imao imar imba imbe imbi imea imer imir imma imme immi immo imra imre imri imro imrr ioba iobi ioee ioii ioio ioma iome iomo iooi iooo iora iore iori irae irai iram irao irar irbe irbm iree irem irer iri- iria irie irio irma irmo irob irra irre irri ma-i maaa maai maam maar maba mabe mabi mabo maee maem maeo maer maia maib maie maii maim maio mair mama mame mami mamo maoi maor mar- mara mare mari marm maro marr mbam mbba mbia mbim mbio meai mear mebe mebo meem meer meir mema meme memo memr meor mer- mera merb mere meri merm mero miaa miab miai miam miao miee miem mier miii miio mim- mima mime mimi mimo mio- mira mire miri miro mirr mmaa mmab mmai mmar mmea mmii mmmm mmor moaa moab moai moam moar moba mobb mobe mobi mobo moea moii moio moir moma mome momi momo mooa moob mooe moor mora morb more mori moro mrbb mrbm mreb mree mria o-eo oaer oama oara oare obai obba obbo obea ober obia obie oboe oboi obor obra obre obri obro oeme oera oere oerm oiba oier oiii oimb oime oira oire omai omam omao omar ombe ombo omee omei omeo omer omia omie omim omio omma omo- omoa omoe omoi omoo omor omra omre omri omro ooaa ooba oobe oobi ooer ooia ooma oome oooo oora oore orab orae orai oram