-er a-a a-b a-z aaa aab aae aaj aak aam aao aar aaz ab- aba abb abe abj abk abm abo abr abz aea aeb aee aej aek aem aeo aer aez aja ajb aje ajj ajk ajm ajo ajr aka akb ake akj akk akm ako akr ama amb ame amk amm amo amr amz aoa aob aoe aoj aok aom aoo aor ar- ara arb are arj ark arm aro arr arz az- aza azb aze azm azo azz baa bab bae baj bak bam bao bar baz bba bbb bbe bbk bbm bbo bbr be- bea beb bee bek bem beo ber bez bja bjj bjk bjm bjr bka bkb bke bkk bkm bko bkr bma bmb bme bmj bmk bmm bmo bmr bmz boa bob boe boj bok bom boo bor boz bra brb bre brj brk brm bro brr brz bza bze bzo bzr bzz eaa eab eae eaj eak eam eao ear eaz eba ebb ebe ebj ebk ebm ebo ebr eea eeb eee eek eem eeo eer eja ejo eka ekb eke eko ekr em- ema emb eme emk emm emo emr eo- eoa eob eoe eok eom eoo eor era erb ere erk erm ero err erz eze ezo ezr ezz j-z jaa jab jae jaj jak jam jao jar jaz jba jbj jbk jbm jbo jbr jbz jea jeb jee jej jek jem jeo jer jez jja jjb jjj jjk jjr jka jkb jkk jkm jko jkr jma jmb jme jmj jmm jmo jmr joa job joe joj jok jom joo jor jra jrb jrk jrm jro jrr jrz k-z ka- kaa kab kae kaj kak kam kao kar kaz kba kbb kbe kbk kbm kbo kbr kbz ke- kea keb kee kek kem keo ker kez kjb kje kjr kkb kke kkk kkm kkr kma kmb kme kmj kmk kmm kmo kmz koa kob koe kok kom koo kor koz kra krk kro krr kzo m-o m-r maa mab mae maj mak mam mao mar maz mba mbb mbe mbj mbk mbm mbo mbr mea meb mee mej mek mem meo mer mez mjb mje mjj mjk mjm mjr mka mkb mke mkk mkm mko mkr mkz mma mmb mme mmj mmk mmm mmo mmr mmz moa mob moe mok mom moo mor moz mra mrb mre mrj mrk mrm mro mrr mrz mza mzb mzm oaa oab oae oaj oak oam oao oar ob- oba obb obe obj obk obm obo obr oea oeb oee oem oeo oer oja ojb oje ojm ojo oka okb oke okj okk oko okr om- oma omb ome omj omm omo omr omz oo- ooa oob ook oom ooo oor or- ora orb ore ork orm oro orr orz oza oze ozm ozo ozz ra- raa rab rae raj rak ram rao rar raz rba rbb rbe rbk rbm rbo rbr re- rea reb ree rek rem reo rer rez rja rjk rjm rjr rkb rke rkk rkm rko rkz rma rmb rme rmm rmo rmr roa rob roe roj rok rom roo ror roz rra rrb rrk rrm rrr rza rzb rze rzm rzo zaa zab zaj zak zam zao zar zaz zbb zbm zbr zea zeb zee zek zem zeo zer zez zje zka zma zmb zmk zmm zo- zoa zob zoe zok zom zoo zor zro zzr zzz