-er a-a a-b a-t aaa aab aae aak aam aao aar aat ab- aba abb abe abk abm abo abr abt aea aeb aee aek aem aeo aer aet aka akb ake akk akm ako akr ama amb ame amk amm amo amr amt aoa aob aoe aok aom aoo aor aot ar- ara arb are ark arm aro arr art at- ata atb ate atm ato atr att baa bab bae bak bam bao bar bat bba bbb bbe bbk bbm bbo bbr bbt be- bea beb bee bek bem beo ber bet bka bkb bke bkk bkm bko bkr bkt bma bmb bme bmk bmm bmo bmr bmt boa bob boe bok bom boo bor bot bra brb bre brk brm bro brr brt bta btb bte btk btm bto btr btt eaa eab eae eak eam eao ear eat eba ebb ebe ebk ebm ebo ebr ebt eea eeb eee eek eem eeo eer eet eka ekb eke eko ekr ekt em- ema emb eme emk emm emo emr emt eo- eoa eob eoe eok eom eoo eor eot era erb ere erk erm ero err ert eta etb ete etk etm eto etr ett k-t ka- kaa kab kae kak kam kao kar kat kba kbb kbe kbk kbm kbo kbr ke- kea keb kee kek kem keo ker ket kkb kke kkk kkm kkr kkt kma kmb kme kmk kmm kmo kmt koa kob koe kok kom koo kor kot kra krk kro krr krt kta ktb kte ktk ktm kto ktr ktt m-o m-r maa mab mae mak mam mao mar mat mba mbb mbe mbk mbm mbo mbr mbt mea meb mee mek mem meo mer met mka mkb mke mkk mkm mko mkr mkt mma mmb mme mmk mmm mmo mmr mmt moa mob moe mok mom moo mor mot mra mrb mre mrk mrm mro mrr mrt mta mtb mte mtk mtm mto mtr mtt oaa oab oae oak oam oao oar oat ob- oba obb obe obk obm obo obr obt oea oeb oee oem oeo oer oet oka okb oke okk oko okr om- oma omb ome omm omo omr omt oo- ooa oob ook oom ooo oor oot or- ora orb ore ork orm oro orr ort ot- ota otb ote otk otm oto otr ott ra- raa rab rae rak ram rao rar rat rba rbb rbe rbk rbm rbo rbr rbt re- rea reb ree rek rem reo rer ret rkb rke rkk rkm rko rkt rma rmb rme rmm rmo rmr rmt roa rob roe rok rom roo ror rot rra rrb rrk rrm rrr rrt rta rtb rte rtk rtm rto rtr rtt taa tab tae tak tam tao tar tat tba tbb tbe tbk tbm tbo tbr tbt te- tea teb tee tek tem teo ter tet tka tkb tke tkk tkm tko tkr tkt tma tmb tme tmk tmm tmo tmr tmt to- toa tob toe tok tom too tor tot tra trb tre trk trm tro trr trt tta ttb tte ttk ttm tto ttr ttt

a-ak a-be a-ok aaaa aaab aaae aaam aaar aaba aabb aabm aabt aaea aaem aaka aake aama aamb aame aamo aamr aaoe aaoo aara aare aarm aaro aart aata aatk aatt abaa abab abae abak abam abar abat abb- abba abbb abbe abbo abbr abbt abee aber abet abma abmb abmt aboa abob abok aboo abor abot abra abro abta aeer aeka aemt aeom aer- aera aero aeta aeto aetr aett akaa akae akam akao akar akee aker akka akko akok akom akot akr- akra akre akte amaa amae amam amar amat amb- amba ambe ambo ambr amee amer amet amka amm- amma amme ammo amob amok amoo amor amot amra amro amta amte amtk amto aoba aoma aora aorb aort arab arae arak aram arar arat arba arbe area aree arek arem areo aret arka arke arko arma arme armm armo armt aroa arob aroe arom aroo aror arr- arra arre arrk arro arrr arrt arta arte arto artr at-t ataa atab atae atak atar atat atea atee atem ateo ater atka atkt atm- atma atme atmo atob atoe atok atom ator atot atra atre atrk atrm atro atta atte atto attr baaa baak baam baar baat baba babb babe babm babo babr baek baer bak- baka bake bako bakr bakt bama bamb bame bamm bar- bara barb bare bark barm baro barr bart bata bate bato batt bbbb bbeb bbet beak beam bear beat beba bebb bebe bebo beeb beek beem beer beet beka beke beko bema beme beo- beok beor beot bera bere berk berm bero berr bert beta bete beto bett bmaa boab boak boar boat boba bobb bobe bobo boea boee boeo boer boet boka boke boko boma bomb bome bomt boob booe book boom boor boot bor- bora bore bork borm boro borr bort bota botb bote boto bott brab brae brak bram brao brat brea breb bree brek brem breo brer bret brka brkb broa brob broe brok brom broo bror brot brrm brrr btaa btek btob btor btrt bttb eaba eama eame eaom eara earb eare earo eart eata eate ebam ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eeka eeke eemo eera eero eeta eete eka- ekab ekam ekeb ekek eker eket ekka ekma ekoa ekta emae emam emar emba embe embo embr emek emer emet emma emme emor emra emre emta emte eoka eora eore eota eoto eram erat erba erbb erbe ereb erem erer eret erke erma erme ermo erob eroe eroo erra erre erro erta etak etam etat etbr etee etem eter etka etoe etok etra etre etrm etro etta ette etto kaaa kaab kaak kaam kaar kaat kaba kabb kabe kabo kabr kaeo kaer kaet kaka kake kakk kakm kako kakt kam- kama kamb kame kamm kamo kamr kamt kaoa kaok kaor kara karb kare kark karm karo karr kart kat- kata katb kate katk katm kato katr katt kbaa