-er a-a a-b aaa aab aae aag aam aao aar aau ab- aba abb abe abg abm abo abr abu aea aeb aee aeg aem aeo aer aeu ag- aga agb age agg agm ago agr agu ama amb ame amg amm amo amr amu aoa aob aoe aog aom aoo aor aou ar- ara arb are arg arm aro arr aru au- aua aub aue aug aum auo aur b-u baa bab bae bag bam bao bar bau bba bbb bbe bbg bbm bbo bbr bbu be- bea beb bee beg bem beo ber beu bga bgb bge bgg bgm bgo bgr bgu bma bmb bme bmg bmm bmo bmr bmu boa bob boe bog bom boo bor bou bra brb bre brg brm bro brr bru bua bub bue bug bum buo bur buu eaa eab eae eag eam eao ear eau eba ebb ebe ebg ebm ebo ebr ebu eea eeb eee eeg eem eeo eer ega egb ege egg egm ego egr egu em- ema emb eme emg emm emo emr emu eo- eoa eob eoe eog eom eoo eor eou era erb ere erg erm ero err eru eu- eua eub eue eug eur gaa gab gae gag gam gao gar gau gba gbe gbg gbm gbo gbr gbu ge- gea geb gee geg gem geo ger geu gga ggb ggg ggm ggo ggr ggu gma gmb gme gmg gmm gmo gmr goa gob goe gog gom goo gor gou gra grb gre grg grm gro grr gru gu- gua gub gue gug gum guo gur guu m-o m-r maa mab mae mag mam mao mar mau mba mbb mbe mbg mbm mbo mbr mbu mea meb mee meg mem meo mer meu mga mgb mge mgm mgo mgr mgu mma mmb mme mmg mmm mmo mmr mmu moa mob moe mog mom moo mor mou mra mrb mre mrg mrm mro mrr mru mua mub mue mug mum mur muu oaa oab oae oag oam oao oar oau ob- oba obb obe obg obm obo obr obu oea oeb oee oeg oem oeo oer oga oge ogg ogo om- oma omb ome omg omm omo omr omu oo- ooa oob oog oom ooo oor or- ora orb ore org orm oro orr oru ou- oua oue oum ouo our ra- raa rab rae rag ram rao rar rau rba rbb rbe rbg rbm rbo rbr rbu re- rea reb ree reg rem reo rer reu rga rgb rge rgg rgo rgr rma rmb rme rmg rmm rmo rmr roa rob roe rog rom roo ror rou rra rrb rrg rrm rrr rru rua rub rue rug rum ruo rur ruu ua- uaa uab uae uag uam uao uar uau uba ubb ube ubg ubo ubr ubu uea ueb uee ueg uem uer uga ugb uge ugg ugm ugo ugr ugu um- uma umb ume umg umm umo umr umu uoa uob uoe uog uom uoo uor ur- ura urb ure urg urm uro urr uru uua uue uug uum uur uuu

a-be aaaa aaab aaae aaam aaar aaba aabb aabm aaea aaem aage aama aamb aame aamo aamr aaoe aaoo aara aare aarm aaro aaru abaa abab abae abag abam abar abau abb- abba abbb abbe abbo abbr abee aber abma abmb aboa abob aboo abor abou abra abro abua abue abug abum aeer aega aeom aer- aera aero ag-o agag agam agao agar agau agba agbo agea agee agem ager agga agge aggu agma agme agob agog agoo agou agra agre agro agua ague agur amaa amae amag amam amar amb- amba ambe ambo ambr ambu amee amer ameu amga amm- amma amme ammo ammu amob amog amoo amor amou amra amro amua amum amur aoba aoeu aogm aoma aomg aora aorb arab arae arag aram arar arau arba arbe area aree areg arem areo areu arga argb arge argo arma arme armm armo armu aroa arob aroe arom aroo aror arr- arra arre arrg arro arrr arru arua arub arue arug arum auaa aube auer auga auge auma aur- aura aure auro auug baaa baam baar baba babb babe babm babo babr babu baer baga bage bagg bago bama bamb bame bamm bamu bar- bara barb bare barg barm baro barr baru bau- baug baum baur bbau bbbb bbeb bbga bbgm bbmg bbrg beag beam bear beau beba bebb bebe bebo beeb beeg beem beer bega begg bego begu bema beme bemu beo- beor bera bere berg berm bero berr beru beur bmaa bmag boab boag boar boba bobb bobe bobo bobu boea boee boeo boer boga boge bogg bogo boma bomb bome bomu boob booe boog boom boor bor- bora bore borg borm boro borr boru boua boue boum bour brab brae brag bram brao brau brea breb bree breg brem breo brer broa brob broe brog brom broo bror brou brrm brrr brue brug brum buar buba bubb bube bubo bubu buea buem buer bueu buga buge bugg bugo bum- buma bumb bur- bura burb bure burg burm buro burr buru eaba eaga eage eama eame eaom eara earb eare earo ebam ebba ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeea eeee eega eemo eera eerg eero egaa egae egao egar egba egbe egbu egea egee egem eger eggb egge eggo egma ego- egor egra egre emae emag emam emar emba embe embo embr emer emeu emma emme emmu emor emra emre eora eore eram erau erba erbb erbe ereb erem erer erg- erga ergg ergo erma erme ermo erob eroe eroo erra erre erro erua erub erum erur euba euer euge eur- eura eure euro gaar gaba gabb gabe gabo gabr gabu gaea gaer gaga gage gagg gago gagu gam- gama gamb game gamm gamo gara garb gare garg garm garo garr gaua gaub gaue gaum gaur gbag gbbo geab gear geba gebe geer gege gegg gego gem- gema gemm gemr geo- geog geom gera gerb gere germ gero geru geue geum gggg gmer gmme gmmr goam