-er a-a a-b a-t aaa aab aae aag aam aao aar aat ab- aba abb abe abg abm abo abr abt aea aeb aee aeg aem aeo aer aet ag- aga agb age agg agm ago agr agt ama amb ame amg amm amo amr amt aoa aob aoe aog aom aoo aor aot ar- ara arb are arg arm aro arr art at- ata atb ate atg atm ato atr att baa bab bae bag bam bao bar bat bba bbb bbe bbg bbm bbo bbr bbt be- bea beb bee beg bem beo ber bet bga bgb bge bgg bgm bgo bgr bgt bma bmb bme bmg bmm bmo bmr bmt boa bob boe bog bom boo bor bot bra brb bre brg brm bro brr brt bta btb bte btg btm bto btr btt eaa eab eae eag eam eao ear eat eba ebb ebe ebg ebm ebo ebr ebt eea eeb eee eeg eem eeo eer eet ega egb ege egg egm ego egr egt em- ema emb eme emg emm emo emr emt eo- eoa eob eoe eog eom eoo eor eot era erb ere erg erm ero err ert eta etb ete etg etm eto etr ett gaa gab gae gag gam gao gar gat gba gbe gbg gbm gbo gbr gbt ge- gea geb gee geg gem geo ger get gga ggb ggg ggm ggo ggr ggt gma gmb gme gmg gmm gmo gmr gmt goa gob goe gog gom goo gor got gra grb gre grg grm gro grr grt gta gtb gte gtg gtm gto gtr gtt m-o m-r maa mab mae mag mam mao mar mat mba mbb mbe mbg mbm mbo mbr mbt mea meb mee meg mem meo mer met mga mgb mge mgm mgo mgr mgt mma mmb mme mmg mmm mmo mmr mmt moa mob moe mog mom moo mor mot mra mrb mre mrg mrm mro mrr mrt mta mtb mte mtg mtm mto mtr mtt oaa oab oae oag oam oao oar oat ob- oba obb obe obg obm obo obr obt oea oeb oee oeg oem oeo oer oet oga oge ogg ogo ogt om- oma omb ome omg omm omo omr omt oo- ooa oob oog oom ooo oor oot or- ora orb ore org orm oro orr ort ot- ota otb ote otg otm oto otr ott ra- raa rab rae rag ram rao rar rat rba rbb rbe rbg rbm rbo rbr rbt re- rea reb ree reg rem reo rer ret rga rgb rge rgg rgo rgr rgt rma rmb rme rmg rmm rmo rmr rmt roa rob roe rog rom roo ror rot rra rrb rrg rrm rrr rrt rta rtb rte rtg rtm rto rtr rtt taa tab tae tag tam tao tar tat tba tbb tbe tbg tbm tbo tbr tbt te- tea teb tee teg tem teo ter tet tga tgb tge tgg tgm tgo tgr tgt tma tmb tme tmg tmm tmo tmr tmt to- toa tob toe tog tom too tor tot tra trb tre trg trm tro trr trt tta ttb tte ttg ttm tto ttr ttt

a-be aaaa aaab aaae aaam aaar aaba aabb aabm aabt aaea aaem aage aama aamb aame aamo aamr aaoe aaoo aara aare aarm aaro aart aata aatt abaa abab abae abag abam abar abat abb- abba abbb abbe abbo abbr abbt abee aber abet abma abmb abmt aboa abob aboo abor abot abra abro abta aeer aega aemt aeom aer- aera aero aeta aeto aetr aett ag-o agag agam agao agar agat agba agbo agea agee agem ager aget agga agge agma agme agob agog agoo agot agra agre agro agta agte agtr amaa amae amag amam amar amat amb- amba ambe ambo ambr amee amer amet amga amm- amma amme ammo amob amog amoo amor amot amra amro amta amte amto aoba aogm aoma aomg aora aorb aort arab arae arag aram arar arat arba arbe area aree areg arem areo aret arga argb arge argo arma arme armm armo armt aroa arob aroe arom aroo aror arr- arra arre arrg arro arrr arrt arta arte arto artr at-t ataa atab atae atar atat atea atee atem ateo ater atgm atgo atm- atma atme atmo atob atoe atom ator atot atra atre atrm atro atta atte atto attr baaa baam baar baat baba babb babe babm babo babr baer baga bage bagg bago bagt bama bamb bame bamm bar- bara barb bare barg barm baro barr bart bata bate bato batt bbbb bbeb bbet bbga bbgm bbmg bbrg beag beam bear beat beba bebb bebe bebo beeb beeg beem beer beet bega begg bego bema beme beo- beor beot bera bere berg berm bero berr bert beta bete beto bett bmaa bmag boab boag boar boat boba bobb bobe bobo boea boee boeo boer boet boga boge bogg bogo bogt boma bomb bome bomt boob booe boog boom boor boot bor- bora bore borg borm boro borr bort bota botb bote boto bott brab brae brag bram brao brat brea breb bree breg brem breo brer bret broa brob broe brog brom broo bror brot brrm brrr btaa btob btor btrt bttb eaba eaga eage eama eame eaom eara earb eare earo eart eata eate ebam ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eega eemo eera eerg eero eeta eete egaa egae egao egar egat egba egbe egea egee egem eger eggb egge eggo egma ego- egor egot egra egre egta egte emae emag emam emar emba embe embo embr emer emet emma emme emor emra emre emta emte eora eore eota eoto eram erat erba erbb erbe ereb erem erer eret erg- erga ergg ergo erma erme ermo erob eroe eroo erra erre erro erta etag etam etat etbr etee etem eter etoe etra etre etrm etro etta ette etto gaar gaba gabb gabe gabo gabr gabt gaea gaer gaga gage gagg gago gam- gama gamb game gamm gamo gara