a-a a-b aaa aab aad aak aam aao aap aar ab- aba abb abd abk abm abo abp abr ad- ada adb add adk adm ado adp adr aka akb akd akk akm ako akp akr ama amb amd amk amm amo amp amr aoa aob aod aok aom aoo aop aor ap- apa apb apd apk apm apo app apr ar- ara arb ard ark arm aro arp arr b-p baa bab bad bak bam bao bap bar bba bbb bbd bbk bbm bbo bbp bbr bda bdb bdd bdk bdm bdo bdp bdr bka bkb bkk bkm bko bkp bkr bma bmb bmd bmk bmm bmo bmp bmr boa bob bod bok bom boo bop bor bpa bpb bpd bpm bpo bpp bpr bra brb brd brk brm bro brp brr daa dab dad dak dam dao dap dar dba dbb dbd dbk dbm dbo dbp dbr dda ddb ddd ddk ddm ddo ddp ddr dka dkb dkk dkm dko dkp dkr dma dmb dmd dmk dmm dmo dmp dmr doa dob dod dok dom doo dop dor dpa dpb dpd dpk dpm dpo dpp dpr dra drb drd drk drm dro drp drr ka- kaa kab kad kak kam kao kap kar kba kbb kbd kbk kbm kbo kbp kbr kda kdb kdk kdm kdo kdp kdr kkb kkk kkm kkp kkr kma kmb kmd kmk kmm kmo kmp koa kob kod kok kom koo kop kor kpa kpd kpk kpm kpo kpp kpr kra krd krk kro krp krr m-o m-r maa mab mad mak mam mao map mar mba mbb mbd mbk mbm mbo mbp mbr mda mdb mdd mdk mdm mdo mdp mdr mka mkb mkd mkk mkm mko mkp mkr mma mmb mmd mmk mmm mmo mmp mmr moa mob mod mok mom moo mop mor mpa mpb mpd mpk mpm mpo mpp mpr mra mrb mrd mrk mrm mro mrp mrr oaa oab oad oak oam oao oap oar ob- oba obb obd obk obm obo obp obr oda odb odd odm odo odp odr oka okb okd okk oko okp okr om- oma omb omd omm omo omp omr oo- ooa oob ood ook oom ooo oop oor op- opa opb opd opk opm opo opp opr or- ora orb ord ork orm oro orp orr p-p paa pab pad pak pam pao pap par pba pbb pbd pbk pbm pbo pbp pbr pda pdb pdd pdk pdm pdo pdp pdr pka pkb pkd pkm pko pkp pkr pma pmb pmd pmk pmm pmo pmp pmr poa pob pod pok pom poo pop por ppa ppb ppd ppk ppm ppo ppp ppr pra prb prd prk prm pro prp prr ra- raa rab rad rak ram rao rap rar rba rbb rbd rbk rbm rbo rbp rbr rda rdb rdd rdm rdo rdp rdr rkb rkk rkm rko rkp rma rmb rmd rmm rmo rmp rmr roa rob rod rok rom roo rop ror rpa rpb rpd rpk rpm rpo rpp rpr rra rrb rrd rrk rrm rrp rrr

a-ak a-do a-ok aaaa aaab aaad aaam aaap aaar aaba aabb aabd aabm aabp aada aaka aama aamb aamd aamo aamp aamr aaoo aapa aapm aapo aara aard aarm aaro aarp abaa abab abad abak abam abap abar abb- abba abbb abbo abbr abda abdo abma abmb aboa abob abod abok aboo abor abpa abpd abpm abpp abpr abra abro adaa adab adad adak adam adao adap adar adba adda addd addo addr adma admb admr adob adod adok adoo ador adp- adra adro akaa akam akao akap akar akka akko akok akom akpo akr- akra amaa amad amam amap amar amb- amba ambo ambr amda amdo amka amm- amma ammo amob amod amok amoo amor ampa ampd ampk ampm ampo amra amro aoba aokp aoma aopo aora aorb apak apam apao apap apar apba apbr apda apdd apma apo- apod apom apoo apop apor appa appd appr apra apro arab arad arak aram arap arar arba arda ardm ardo arka arko arma armd armm armo aroa arob arod arom aroo aror arpa arr- arra arrk arro arrr baaa baad baak baam baar baba babb babm babo babr bada badb badd bado badr bak- baka bako bakr bama bamb bamm bamp bapa bapp bar- bara barb bard bark barm baro barr bbad bbbb bbdd bbdo bbpr bd-r bdrm bkpr bmaa bmdb bmdp bmop boab boad boak boar boba bobb bobo boda bodb bodo boka boko boma bomb bomp boob bood book boom boop boor bopa bopp bor- bora bord bork borm boro borr bpda bprd brab brad brak bram brao brda brdm brdo brka brkb broa brob brod brok brom broo bror brrm brrr d-bo daab daad daam daap daar daba dabb dabo dabp dada dado daka dako dama damb damm damo damp dapa dapp dara darb dard dark daro darp darr dbar dbpd dddd ddpo dkba dmaa dmab dmap dmba dmop dmpa dmpk dmrb doab doak doap doar doba dobb dod- doda dodd dodo doka doko doma domb domm domo domp doob dood dook doom doop door dopa dopo dopp dopr dora dord dork dorm doro dorp dorr dpaa dpma dpmo dppa dprk draa drab drad drak dram drap drar drba drda drmk drob drod drom drop drra kaaa kaab kaak kaam kaap kaar kaba kabb kabd kabo kabr kad- kada kadd kadm kado kadr kaka kakk kakm kako kam- kama kamb kamm kamo kamp kamr kaoa kaok kaor kap- kapa kapo kapp kara karb kard kark karm karo karp karr kbaa kbab kbad kbak kbam kbap kbar kbba kbbb kbbd kbbk kbbm kbbo kbbr kbdb kbdo kbdr kbkb kbkk kbko kbkr kbmb kbmo kbmp kbmr kboa kbob kbod kbok kboo kbpa kbpk kbpo kbpr kbra kbrb kbrd kbrk kbro kdaa kdab kdad kdak kdam kdao kdap kdar kdbb kdbm kdbr kddb kddd kddk kddr kdka kdkb kdkd kdkk kdko kdkr kdma kdmd kdmo kdmr kdok kdom kdpr kdrb kdrm kdro kkaa kkam kkap kkar kkba kkbb kkbd kkbo kkbr kkda