a-a a-b aaa aab aak aam aao aap aar ab- aba abb abk abm abo abp abr aka akb akk akm ako akp akr ama amb amk amm amo amp amr aoa aob aok aom aoo aop aor ap- apa apb apk apm apo app apr ar- ara arb ark arm aro arp arr b-p baa bab bak bam bao bap bar bba bbb bbk bbm bbo bbp bbr bka bkb bkk bkm bko bkp bkr bma bmb bmk bmm bmo bmp bmr boa bob bok bom boo bop bor bpa bpb bpm bpo bpp bpr bra brb brk brm bro brp brr ka- kaa kab kak kam kao kap kar kba kbb kbk kbm kbo kbp kbr kkb kkk kkm kkp kkr kma kmb kmk kmm kmo kmp koa kob kok kom koo kop kor kpa kpk kpm kpo kpp kpr kra krk kro krp krr m-o m-r maa mab mak mam mao map mar mba mbb mbk mbm mbo mbp mbr mka mkb mkk mkm mko mkp mkr mma mmb mmk mmm mmo mmp mmr moa mob mok mom moo mop mor mpa mpb mpk mpm mpo mpp mpr mra mrb mrk mrm mro mrp mrr oaa oab oak oam oao oap oar ob- oba obb obk obm obo obp obr oka okb okk oko okp okr om- oma omb omm omo omp omr oo- ooa oob ook oom ooo oop oor op- opa opb opk opm opo opp opr or- ora orb ork orm oro orp orr p-p paa pab pak pam pao pap par pba pbb pbk pbm pbo pbp pbr pka pkb pkm pko pkp pkr pma pmb pmk pmm pmo pmp pmr poa pob pok pom poo pop por ppa ppb ppk ppm ppo ppp ppr pra prb prk prm pro prp prr ra- raa rab rak ram rao rap rar rba rbb rbk rbm rbo rbp rbr rkb rkk rkm rko rkp rma rmb rmm rmo rmp rmr roa rob rok rom roo rop ror rpa rpb rpk rpm rpo rpp rpr rra rrb rrk rrm rrp rrr

a-ak a-ok aaaa aaab aaam aaap aaar aaba aabb aabm aabp aaka aama aamb aamo aamp aamr aaoo aapa aapm aapo aara aarm aaro aarp abaa abab abak abam abap abar abb- abba abbb abbo abbr abma abmb aboa abob abok aboo abor abpa abpm abpp abpr abra abro akaa akam akao akap akar akka akko akok akom akpo akr- akra amaa amam amap amar amb- amba ambo ambr amka amm- amma ammo amob amok amoo amor ampa ampk ampm ampo amra amro aoba aokp aoma aopo aora aorb apak apam apao apap apar apba apbr apma apo- apom apoo apop apor appa appr apra apro arab arak aram arap arar arba arka arko arma armm armo aroa arob arom aroo aror arpa arr- arra arrk arro arrr baaa baak baam baar baba babb babm babo babr bak- baka bako bakr bama bamb bamm bamp bapa bapp bar- bara barb bark barm baro barr bbbb bbpr bkpr bmaa bmop boab boak boar boba bobb bobo boka boko boma bomb bomp boob book boom boop boor bopa bopp bor- bora bork borm boro borr brab brak bram brao brka brkb broa brob brok brom broo bror brrm brrr kaaa kaab kaak kaam kaap kaar kaba kabb kabo kabr kaka kakk kakm kako kam- kama kamb kamm kamo kamp kamr kaoa kaok kaor kap- kapa kapo kapp kara karb kark karm karo karp karr kbaa kbab kbak kbam kbap kbar kbba kbbb kbbk kbbm kbbo kbbr kbkb kbkk kbko kbkr kbmb kbmo kbmp kbmr kboa kbob kbok kboo kbpa kbpk kbpo kbpr kbra kbrb kbrk kbro kkaa kkam kkap kkar kkba kkbb kkbo kkbr kkkk kkma kkmk kkmo kkmp kkmr kkoa kkob kkoo kkor kkpk kkrb kkrk kkro kkrr kmak kmam kmap kmbr kmkk kmko kmmk kmmm kmmo kmmr kmoa kmob kmok kmom kmor kmpa kmpb kmpo kmpr kmrb kmro kmrr koab koak koap koar koba kobb kobk kobo kobr koka kokb kokk koko kokp kokr koma komb komo komp komr koob kook kooo koop koor kopa kopb kopp kopr kora korb kork koro korr kpak kpam kpao kpar kpba kpbb kpbm kpbr kpkk kpkr kpmb kpmo kpmp kpmr kpoa kpob kpok kpoo kpop kppk kppo kppp kppr kprb kprk kprm kpro kprp kprr krab krak kram krap krar krba krbb krbk krbm krbr krka krkk krko krkr krma krmb krmo krmp krmr kroa krob krok krom kroo krop kror krpa krpm krpr krrb krrk krrm krro krrr maaa maak maam maap maar maba mabo maka mako mama mamo mamp maor mapa mapo mapp mapr mar- mara mark marm maro marr mbam mbba mkak mmaa mmab mmap mmar mmmm mmor mmpa mmpr mmrp moaa moab moam moap moar moba mobb mobo moka moko moma momo mooa moob mook moop moor mopa mopp mora morb mork moro mpaa mpao mppp mpro mprp mrap mrbb mrbm mrkr mrpa oama oamp oara obak obba obbo obkb obok obor obra obro okak okam okap okka okko okmo okok okom okor okpo okra okro omak omam omao omap omar ombo omma omo- omoa omoo omor ompa omra omro ooaa ooak ooba ooma oooo oora opap opar opo- opor oppa oppo opra orab orak oram orao orar orba orbb orbo orka orko orma ormo oro- orok orom oror orra orro paak paap paar paba paka pako pam- pama pamb pamm pamo pamp papa papb papp papr par- para park parm paro parp parr pbar pbmr pbpa pbpk pkmr pmaa pmbr pmma pmmp pmpm pmpo poak poar poba pobo poka poko poma pomo pomp pook poop poor pop- popa popo popp pora porb pork poro porr ppap ppar ppoa pppa pppo pppp pprm pram prao prar pro- proa prob prom proo prop prrm raab raak raam raba rabb rabk rabo raka rakk rama ramb ramm ramo ramp raob raok raom raop rapa rapm rapp rara rarb rark raro rbbb rbbr rbmk rmrp roab roak roam roap roar rob- roba robb robo roka rokk roko