-er a-a a-b a-t aaa aab aae aag aam aar aat aau ab- aba abb abe abg abm abr abt abu aea aeb aee aeg aem aer aet aeu ag- aga agb age agg agm agr agt agu ama amb ame amg amm amr amt amu ar- ara arb are arg arm arr art aru at- ata atb ate atg atm atr att atu au- aua aub aue aug aum aur aut b-u baa bab bae bag bam bar bat bau bba bbb bbe bbg bbm bbr bbt bbu be- bea beb bee beg bem ber bet beu bga bgb bge bgg bgm bgr bgt bgu bma bmb bme bmg bmm bmr bmt bmu bra brb bre brg brm brr brt bru bta btb bte btg btm btr btt btu bua bub bue bug bum bur but buu eaa eab eae eag eam ear eat eau eba ebb ebe ebg ebm ebr ebt ebu eea eeb eee eeg eem eer eet ega egb ege egg egm egr egt egu em- ema emb eme emg emm emr emt emu era erb ere erg erm err ert eru eta etb ete etg etm etr ett etu eu- eua eub eue eug eur eut gaa gab gae gag gam gar gat gau gba gbe gbg gbm gbr gbt gbu ge- gea geb gee geg gem ger get geu gga ggb ggg ggm ggr ggt ggu gma gmb gme gmg gmm gmr gmt gra grb gre grg grm grr grt gru gta gtb gte gtg gtm gtr gtt gtu gu- gua gub gue gug gum gur gut guu m-r maa mab mae mag mam mar mat mau mba mbb mbe mbg mbm mbr mbt mbu mea meb mee meg mem mer met meu mga mgb mge mgm mgr mgt mgu mma mmb mme mmg mmm mmr mmt mmu mra mrb mre mrg mrm mrr mrt mru mta mtb mte mtg mtm mtr mtt mtu mua mub mue mug mum mur mut muu ra- raa rab rae rag ram rar rat rau rba rbb rbe rbg rbm rbr rbt rbu re- rea reb ree reg rem rer ret reu rga rgb rge rgg rgr rgt rma rmb rme rmg rmm rmr rmt rra rrb rrg rrm rrr rrt rru rta rtb rte rtg rtm rtr rtt rtu rua rub rue rug rum rur rut ruu taa tab tae tag tam tar tat tau tba tbb tbe tbg tbm tbr tbt tbu te- tea teb tee teg tem ter tet teu tga tgb tge tgg tgm tgr tgt tgu tma tmb tme tmg tmm tmr tmt tmu tra trb tre trg trm trr trt tru tta ttb tte ttg ttm ttr ttt ttu tua tub tue tug tum tur tut tuu ua- uaa uab uae uag uam uar uat uau uba ubb ube ubg ubr ubt ubu uea ueb uee ueg uem uer uet uga ugb uge ugg ugm ugr ugt ugu um- uma umb ume umg umm umr umt umu ur- ura urb ure urg urm urr urt uru uta utb ute utm utr utt utu uua uue uug uum uur uut uuu

a-be aaaa aaab aaae aaam aaar aaba aabb aabm aabt aaea aaem aage aama aamb aame aamr aara aare aarm aart aaru aata aatt abaa abab abae abag abam abar abat abau abb- abba abbb abbe abbr abbt abee aber abet abma abmb abmt abra abta abtu abua abue abug abum abut aeer aega aemt aer- aera aeta aetr aett agag agam agar agat agau agba agea agee agem ager aget agga agge aggu agma agme agra agre agta agte agtr agua ague agur agut amaa amae amag amam amar amat amb- amba ambe ambr ambu amee amer amet ameu amga amm- amma amme ammu amra amta amte amua amum amur arab arae arag aram arar arat arau arba arbe area aree areg arem aret areu arga argb arge arma arme armm armt armu arr- arra arre arrg arrr arrt arru arta arte artr arua arub arue arug arum arut at-t ataa atab atae atar atat atea atee atem ater atgm atm- atma atme atmu atra atre atrm atru atta atte attr attu atua atub atug atum atur auaa aube auer auga auge auma aur- aura aure aut- aute auug baaa baam baar baat baba babb babe babm babr babu baer baga bage bagg bagt bama bamb bame bamm bamu bar- bara barb bare barg barm barr bart baru bata bate batt batu bau- baug baum baur bbau bbbb bbeb bbet bbga bbgm bbmg bbrg beag beam bear beat beau beba bebb bebe beeb beeg beem beer beet bega begg begu bema beme bemu bera bere berg berm berr bert beru beta bete bett betu beur bmaa bmag brab brae brag bram brat brau brea breb bree breg brem brer bret brrm brrr brue brug brum brut btaa btrt bttb buar buat buba bubb bube bubu buea buem buer bueu buga buge bugg bum- buma bumb bur- bura burb bure burg burm burr burt buru but- buta bute butt eaba eaga eage eama eame eara earb eare eart eata eate ebam ebba ebbr eber ebru ebur eeea eeee eega eera eerg eeta eete eetu egaa egae egar egat egba egbe egbu egea egee egem eger eggb egge egma egra egre egta egte emae emag emam emar emba embe embr emer emet emeu emma emme emmu emra emre emta emte eram erat erau erba erbb erbe ereb erem erer eret erg- erga ergg erma erme erra erre erta ertu erua erub erum erur etag etam etat etbr etee etem eter etra etre etrm etta ette ettu etua euba euer euge eur- eura eure eurt gaar gaba gabb gabe gabr gabt gabu gaea gaer gaga gage gagg gagu gam- gama gamb game gamm gara garb gare garg garm garr gart gata gate gatm gatr gatt gaua gaub gaue gaum gaur gaut gbag geab gear geat geba gebe geer geet gege gegg gem- gema gemm gemr gera gerb gere germ gert geru geta getb gete