-er a-a a-b a-t aaa aab aae aaj aak aam aao aar aat ab- aba abb abe abj abk abm abo abr abt aea aeb aee aej aek aem aeo aer aet aja ajb aje ajj ajk ajm ajo ajr ajt aka akb ake akj akk akm ako akr ama amb ame amk amm amo amr amt aoa aob aoe aoj aok aom aoo aor aot ar- ara arb are arj ark arm aro arr art at- ata atb ate atm ato atr att baa bab bae baj bak bam bao bar bat bba bbb bbe bbk bbm bbo bbr bbt be- bea beb bee bek bem beo ber bet bja bjj bjk bjm bjr bjt bka bkb bke bkk bkm bko bkr bkt bma bmb bme bmj bmk bmm bmo bmr bmt boa bob boe boj bok bom boo bor bot bra brb bre brj brk brm bro brr brt bta btb bte btk btm bto btr btt eaa eab eae eaj eak eam eao ear eat eba ebb ebe ebj ebk ebm ebo ebr ebt eea eeb eee eek eem eeo eer eet eja ejo ejt 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 etj etk etm eto etr ett jaa jab jae jaj jak jam jao jar jat jba jbj jbk jbm jbo jbr jbt jea jeb jee jej jek jem jeo jer jet jja jjb jjj jjk jjr jka jkb jkk jkm jko jkr jkt jma jmb jme jmj jmm jmo jmr jmt joa job joe joj jok jom joo jor jot jra jrb jrk jrm jro jrr jrt jta jtb jte jtk jtm jtr jtt k-t ka- kaa kab kae kaj kak kam kao kar kat kba kbb kbe kbk kbm kbo kbr ke- kea keb kee kek kem keo ker ket kjb kje kjr kkb kke kkk kkm kkr kkt kma kmb kme kmj kmk kmm kmo kmt koa kob koe kok kom koo kor kot kra krk kro krr krt kta ktb kte ktj ktk ktm kto ktr ktt m-o m-r maa mab mae maj mak mam mao mar mat mba mbb mbe mbj mbk mbm mbo mbr mbt mea meb mee mej mek mem meo mer met mjb mje mjj mjk mjm mjr mjt mka mkb mke mkk mkm mko mkr mkt mma mmb mme mmj mmk mmm mmo mmr mmt moa mob moe mok mom moo mor mot mra mrb mre mrj mrk mrm mro mrr mrt mta mtb mte mtj mtk mtm mto mtr mtt oaa oab oae oaj oak oam oao oar oat ob- oba obb obe obj obk obm obo obr obt oea oeb oee oem oeo oer oet oja ojb oje ojm ojo oka okb oke okj okk oko okr om- oma omb ome omj 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 raj rak ram rao rar rat rba rbb rbe rbk rbm rbo rbr rbt re- rea reb ree rek rem reo rer ret rja rjk rjm rjr rkb rke rkk rkm rko rkt rma rmb rme rmm rmo rmr rmt roa rob roe roj rok rom roo ror rot rra rrb rrk rrm rrr rrt rta rtb rte rtj rtk rtm rto rtr rtt taa tab tae taj tak tam tao tar tat tba tbb tbe tbj tbk tbm tbo tbr tbt te- tea teb tee tej tek tem teo ter tet tje tjm tjo tjr tka tkb tke tkk tkm tko tkr tkt tma tmb tme tmj tmk tmm tmo tmr tmt to- toa tob toe toj 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 abaj 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 ajab ajak ajam ajao ajar ajat ajba ajee ajet ajka ajob ajoo ajot akaa akae akam akao akar akee aker akka akko akok akom akot akr- akra akre akte amaa amae amaj amam amar amat amb- amba ambe ambo ambr amee amer amet amka amm- amma amme ammo amob amoj 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 arja arje arjo 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 baja 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 beej beek beem beer beet beja beka beke beko bema beme beo- beok beor beot bera bere berk berm bero berr bert beta bete beto bett bjoa bmaa bmaj boab boak boar boat boba bobb bobe bobo boea boee boeo boer boet bojo bojt boka boke boko boma bomb bome bomt boob booe book boom boor boot bor- bora bore borj bork borm boro borr bort bota botb bote boto bott brab brae braj brak bram brao brat brea breb bree