-er a-a a-b a-t aaa aab aae aam aao aar aat aau ab- aba abb abe abm abo abr abt abu aea aeb aee aem aeo aer aet aeu ama amb ame amm amo amr amt amu aoa aob aoe aom aoo aor aot aou ar- ara arb are arm aro arr art aru at- ata atb ate atm ato atr att atu au- aua aub aue aum auo aur aut b-u baa bab bae bam bao bar bat bau bba bbb bbe bbm bbo bbr bbt bbu be- bea beb bee bem beo ber bet beu bma bmb bme bmm bmo bmr bmt bmu boa bob boe bom boo bor bot bou bra brb bre brm bro brr brt bru bta btb bte btm bto btr btt btu bua bub bue bum buo bur but buu eaa eab eae eam eao ear eat eau eba ebb ebe ebm ebo ebr ebt ebu eea eeb eee eem eeo eer eet em- ema emb eme emm emo emr emt emu eo- eoa eob eoe eom eoo eor eot eou era erb ere erm ero err ert eru eta etb ete etm eto etr ett etu eu- eua eub eue eur eut m-o m-r maa mab mae mam mao mar mat mau mba mbb mbe mbm mbo mbr mbt mbu mea meb mee mem meo mer met meu mma mmb mme mmm mmo mmr mmt mmu moa mob moe mom moo mor mot mou mra mrb mre mrm mro mrr mrt mru mta mtb mte mtm mto mtr mtt mtu mua mub mue mum mur mut muu oaa oab oae oam oao oar oat oau ob- oba obb obe obm obo obr obt obu oea oeb oee oem oeo oer oet om- oma omb ome omm omo omr omt omu oo- ooa oob oom ooo oor oot or- ora orb ore orm oro orr ort oru ot- ota otb ote otm oto otr ott otu ou- oua oue oum ouo our out ra- raa rab rae ram rao rar rat rau rba rbb rbe rbm rbo rbr rbt rbu re- rea reb ree rem reo rer ret reu rma rmb rme rmm rmo rmr rmt roa rob roe rom roo ror rot rou rra rrb rrm rrr rrt rru rta rtb rte rtm rto rtr rtt rtu rua rub rue rum ruo rur rut ruu taa tab tae tam tao tar tat tau tba tbb tbe tbm tbo tbr tbt tbu te- tea teb tee tem teo ter tet teu tma tmb tme tmm tmo tmr tmt tmu to- toa tob toe tom too tor tot tou tra trb tre trm tro trr trt tru tta ttb tte ttm tto ttr ttt ttu tua tub tue tum tuo tur tut tuu ua- uaa uab uae uam uao uar uat uau uba ubb ube ubo ubr ubt ubu uea ueb uee uem uer uet um- uma umb ume umm umo umr umt umu uoa uob uoe uom uoo uor uot ur- ura urb ure urm uro urr urt uru uta utb ute utm uto utr utt utu uua uue uum uur uut uuu

a-be aaaa aaab aaae aaam aaar aaba aabb aabm aabt aaea aaem aama aamb aame aamo aamr aaoe aaoo aara aare aarm aaro aart aaru aata aatt abaa abab abae abam abar abat abau abb- abba abbb abbe abbo abbr abbt abee aber abet abma abmb abmt aboa abob aboo abor abot abou abra abro abta abtu abua abue abum abut aeer aemt aeom aer- aera aero aeta aeto aetr aett amaa amae amam amar amat amb- amba ambe ambo ambr ambu amee amer amet ameu amm- amma amme ammo ammu amob amoo amor amot amou amra amro amta amte amto amua amum amur aoba aoeu aoma aora aorb aort aout arab arae aram arar arat arau arba arbe area aree arem areo aret areu arma arme armm armo armt armu aroa arob aroe arom aroo aror arr- arra arre arro arrr arrt arru arta arte arto artr arua arub arue arum arut at-t ataa atab atae atar atat atea atee atem ateo ater atm- atma atme atmo atmu atob atoe atom ator atot atra atre atrm atro atru atta atte atto attr attu atua atub atum atur auaa aube auer auma aur- aura aure auro aut- aute auto baaa baam baar baat baba babb babe babm babo babr babu baer bama bamb bame bamm bamu bar- bara barb bare barm baro barr bart baru bata bate bato batt batu bau- baum baur bbau bbbb bbeb bbet beam bear beat beau beba bebb bebe bebo beeb beem beer beet bema beme bemu beo- beor beot bera bere berm bero berr bert beru beta bete beto bett betu beur bmaa boab boar boat boba bobb bobe bobo bobu boea boee boeo boer boet boma bomb bome bomt bomu boob booe boom boor boot bor- bora bore borm boro borr bort boru bota botb bote boto bott boua boue boum bour bout brab brae bram brao brat brau brea breb bree brem breo brer bret broa brob broe brom broo bror brot brou brrm brrr brue brum brut btaa btob btor btrt bttb buar buat buba bubb bube bubo bubu buea buem buer bueu bum- buma bumb bur- bura burb bure burm buro burr burt buru but- buta bute buto butt eaba eama eame eaom eara earb eare earo eart eata eate ebam ebba ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeea eeee eemo eera eero eeta eete eetu emae emam emar emba embe embo embr emer emet emeu emma emme emmu emor emra emre emta emte eora eore eota eoto eram erat erau erba erbb erbe ereb erem erer eret erma erme ermo erob eroe eroo erra erre erro erta ertu erua erub erum erur etam etat etbr etee etem eter etoe etra etre etrm etro etta ette etto ettu etua euba euer eur- eura eure euro eurt maaa maam maar maat maba mabe mabo mabu maee maem maeo