-er a-a a-b a-i a-t aaa aab aae aai aam aao aar aat ab- aba abb abe abi abm abo abr abt aea aeb aee aei aem aeo aer aet ai- aia aib aie aii aim aio air ait ama amb ame ami amm amo amr amt aoa aob aoe aoi aom aoo aor aot ar- ara arb are ari arm aro arr art at- ata atb ate ati atm ato atr att baa bab bae bai bam bao bar bat bba bbb bbe bbi bbm bbo bbr bbt be- bea beb bee bei bem beo ber bet bi- bia bib bie bii bim bio bir bit bma bmb bme bmi bmm bmo bmr bmt boa bob boe boi bom boo bor bot bra brb bre bri brm bro brr brt bta btb bte bti btm bto btr btt eaa eab eae eai eam eao ear eat eba ebb ebe ebi ebm ebo ebr ebt eea eeb eee eem eeo eer eet eia eib eie eii eim eio eir eit em- ema emb eme emi emm emo emr emt eo- eoa eob eoe eoi eom eoo eor eot era erb ere eri erm ero err ert eta etb ete eti etm eto etr ett ia- iaa iab iae iai iam iao iar iat iba ibb ibe ibi ibm ibo ibr ibt ie- iea iee iei iem ier iet iia iib iie iii iim iio iir iit im- ima imb ime imi imm imo imt io- ioa iob ioe ioi iom ioo ior iot ir- ira irb ire iri irm iro irr irt ita itb ite iti itm ito itt m-o m-r maa mab mae mai mam mao mar mat mba mbb mbe mbi mbm mbo mbr mbt mea meb mee mei mem meo mer met mi- mia mib mie mii mim mio mir mit mma mmb mme mmi mmm mmo mmr mmt moa mob moe moi mom moo mor mot mra mrb mre mri mrm mro mrr mrt mta mtb mte mti mtm mto mtr mtt o-i oaa oab oae oai oam oao oar oat ob- oba obb obe obi obm obo obr obt oea oeb oee oei oem oeo oer oet oia oib oie oii oim oio oir oit om- oma omb ome omi omm omo omr omt oo- ooa oob ooi oom ooo oor oot or- ora orb ore ori orm oro orr ort ot- ota otb ote oti otm oto otr ott ra- raa rab rae rai ram rao rar rat rba rbb rbe rbi rbm rbo rbr rbt re- rea reb ree rei rem reo rer ret ria rib rie rii rim rio rir rit rma rmb rme rmi rmm rmo rmr rmt roa rob roe roi rom roo ror rot rra rrb rri rrm rrr rrt rta rtb rte rti rtm rto rtr rtt taa tab tae tai tam tao tar tat tba tbb tbe tbi tbm tbo tbr tbt te- tea teb tee tei tem teo ter tet tia tib tie tii tim tio tir tit tma tmb tme tmi tmm tmo tmr tmt to- toa tob toe toi tom too tor tot tra trb tre tri trm tro trr trt tta ttb tte tti ttm tto ttr ttt

a-be a-ii aaaa aaab aaae aaai aaam aaar aaba aabb aabi aabm aabt aaea aaem aaib aaii aama aamb aame aami aamo aamr aaoe aaoo aara aare aari aarm aaro aart aata aatt abaa abab abae abai abam abar abat abb- abba abbb abbe abbi abbo abbr abbt abee aber abet abia abib abie abim abir abit abma abmb abmt aboa abob aboo abor abot abra abri abro abta aebi aeer aeio aeit aemt aeom aer- aera aeri aero aeta aeto aetr aett aiai aiba aibo aiea aiee aiet aiia aiib aiir aime aimi aimm aimo aioi aira aire airi airo airt aita aite aiti aitr aitt amaa amae amai amam amar amat amb- amba ambe ambi ambo ambr amee amei amer amet amia amib amie amii amir amit amm- amma amme ammi ammo amob amoi amoo amor amot amra amri amro amta amte amti amto aoba aoma aora aorb aort arab arae arai aram arar arat arba arbe arbi area aree arei arem areo aret aria arib arie arii arim ario arit arma arme armi armm armo armt aroa arob aroe aroi arom aroo aror arr- arra arre arri arro arrr arrt arta arte arti arto artr at-t ataa atab atae atai atar atat atea atee atei atem ateo ater atia atie atim atit atm- atma atme atmo atob atoe atoi atom ator atot atra atre atri atrm atro atta atte atti atto attr ba-i baaa baam baar baat baba babb babe babi babm babo babr baer baia baib baie baio bair bait bama bamb bame bami bamm bar- bara barb bare bari barm baro barr bart bata bate bati bato batt bbbb bbeb bbet beam bear beat beba bebb bebe bebi bebo beeb beem beer beet beia beim beir beit bema beme beo- beor beot bera bere beri berm bero berr bert beta bete beti beto bett biao biar biat biba bibb bibe bibi bibo bieb bier biet bima bimo bio- bioi biot bira birb bire biri biro birr birt bita bite bito bitt bmaa bmir bmmi boab boai boar boat boba bobb bobe bobi bobo boea boee boeo boer boet boi- boie boii boim boit boma bomb bome bomi bomt boob booe boom boor boot bor- bora bore bori borm boro borr bort bota botb bote boti boto bott brab brae brai bram brao brat brea breb bree brei brem breo brer bret bria brie brim brio brit broa brob broe brom broo bror brot brrm brrr btaa btie btob btor btrt bttb eaba eama eame eaom eara earb eare earo eart eata eate eati ebam ebba ebbo ebbr eber ebit eboe eboo ebor ebro eeea eeee eemo eera eero eeta eete eiao eiei eier eime eimi eira eire eita eitb eiti eitm eito eitr emae emam emar emba embe embi embo