a-a a-b aaa aab aak aao aap aar ab- aba abb abk abo abp abr aka akb akk ako akp akr aoa aob aok aoo aop aor ap- apa apb apk apo app apr ar- ara arb ark aro arp arr b-p baa bab bak bao bap bar bba bbb bbk bbo bbp bbr bka bkb bkk bko bkp bkr boa bob bok boo bop bor bpa bpb bpo bpp bpr bra brb brk bro brp brr ka- kaa kab kak kao kap kar kba kbb kbk kbo kbp kbr kkb kkk kkp kkr koa kob kok koo kop kor kpa kpk kpo kpp kpr kra krk kro krp krr oaa oab oak oao oap oar ob- oba obb obk obo obp obr oka okb okk oko okp okr oo- ooa oob ook ooo oop oor op- opa opb opk opo opp opr or- ora orb ork oro orp orr p-p paa pab pak pao pap par pba pbb pbk pbo pbp pbr pka pkb pko pkp pkr poa pob pok poo pop por ppa ppb ppk ppo ppp ppr pra prb prk pro prp prr ra- raa rab rak rao rap rar rba rbb rbk rbo rbp rbr rkb rkk rko rkp roa rob rok roo rop ror rpa rpb rpk rpo rpp rpr rra rrb rrk rrp rrr

a-ak a-ok aaaa aaab aaap aaar aaba aabb aabp aaka aaoo aapa aapo aara aaro aarp abaa abab abak abap abar abb- abba abbb abbo abbr aboa abob abok aboo abor abpa abpp abpr abra abro akaa akao akap akar akka akko akok akpo akr- akra aoba aokp aopo aora aorb apak apao apap apar apba apbr apo- apoo apop apor appa appr apra apro arab arak arap arar arba arka arko aroa arob aroo aror arpa arr- arra arrk arro arrr baaa baak baar baba babb babo babr bak- baka bako bakr bapa bapp bar- bara barb bark baro barr bbbb bbpr bkpr boab boak boar boba bobb bobo boka boko boob book boop boor bopa bopp bor- bora bork boro borr brab brak brao brka brkb broa brob brok broo bror brrr kaaa kaab kaak kaap kaar kaba kabb kabo kabr kaka kakk kako kaoa kaok kaor kap- kapa kapo kapp kara karb kark karo karp karr kbaa kbab kbak kbap kbar kbba kbbb kbbk kbbo kbbr kbkb kbkk kbko kbkr kboa kbob kbok kboo kbpa kbpk kbpo kbpr kbra kbrb kbrk kbro kkaa kkap kkar kkba kkbb kkbo kkbr kkkk kkoa kkob kkoo kkor kkpk kkrb kkrk kkro kkrr koab koak koap koar koba kobb kobk kobo kobr koka kokb kokk koko kokp kokr koob kook kooo koop koor kopa kopb kopp kopr kora korb kork koro korr kpak kpao kpar kpba kpbb kpbr kpkk kpkr kpoa kpob kpok kpoo kpop kppk kppo kppp kppr kprb kprk kpro kprp kprr krab krak krap krar krba krbb krbk krbr krka krkk krko krkr kroa krob krok kroo krop kror krpa krpr krrb krrk krro krrr oara obak obba obbo obkb obok obor obra obro okak okap okka okko okok okor okpo okra okro ooaa ooak ooba oooo oora opap opar opo- opor oppa oppo opra orab orak orao orar orba orbb orbo orka orko oro- orok oror orra orro paak paap paar paba paka pako papa papb papp papr par- para park paro parp parr pbar pbpa pbpk poak poar poba pobo poka poko pook poop poor pop- popa popo popp pora porb pork poro porr ppap ppar ppoa pppa pppo pppp prao prar pro- proa prob proo prop raab raak raba rabb rabk rabo raka rakk raob raok raop rapa rapp rara rarb rark raro rbbb rbbr roab roak roap roar rob- roba robb robo roka rokk roko rokr roob rook roop roor ropa ropo rora rork roro rpob rrrr

-aaa- a-a-p aabaa aabba aabra aakko aarop abaab ababa abaka abako abapo abara abbar abkar abkoo aboab abobo abook abora abrak abrar akaba akabo akaoa akbar akkra akobo akoka akoko akrak akrar akro- apapa apar- apara apoop apoor apopa apopo aporo appar appro ar-ab arab- araba arabo arara arbab arbar arbok arbor arkar aroab aroar aroba aroor aropa arora arpar arrak b-r-k baaop babak babar babka baboo babra bakar bakka bakoa bakop bakra baoro baraa barab barak barao barar barba bark- barka baro- baroa barok baroo baror barra barro bbook bo-bo boaro bobak bobar bobko bobok bobr bokaa bokko bokok bokor booba booko boora borak borba borbo borka borko boro- boroa borok boroo borra borro braak brako broak brobo brook brora brrar brrrr k-a-o k-p-r k-pop k-rab k-rob kaaba kabaa kabab kabak kabar kabba kabob kabro kakao kakap kakar kakka kakko kako- kakra kaooa kapaa kapak kapap kapar kapok kapoo kapor kappa kappo kapra kapro karak karka karob karok karoo karpa ko-ko koara kobar kobra kokab kokak kokka kokko kokor kokra kooba kooka koopa koppa korab korak korba korbo koroa korop koror korpo korra korro kpoba kraak kraar kraka krapa krapp kropa kropp o-r-b oaror obaba obara obora oboro obrab obrok okaka okapa okara okobo okopa okoro ooooo oopak opaka opara opobo oraba orapa orara orobo oropa orpak paara paark paarp pabbo pabra pakaa pakok pakra pakro paoro papa- papak papar papop pappa pappo para- parak parao parka paroa paroo parr- parra parro pbook pbrok po-po poaka pobak pobra pokak pokka pooka poopo poora poork popop poppa poppo porab porak porba poro- porra porro pppoa prkra proak proap proba probo proor prop- propp propr prora ra-ra raaba raaor rabab rabak rabap rabba rabor rakaa rakab rapar rapok rapor rappa ro-ro roark robab robak robar robbo robo- robop robor rokkk rooba roopa ropar ropka rorra rprop

aaaaba aabroo abarka abaroa abobra abraka abrook aka-bo akakor akakpo akaroa akarp akbaba akkaba akraba akraka apokpa apopka apora aporka apropo arabo- ararao arbra arokpa arpora arraba arroba baabaa baabar baaror babbar bakara bakkar baobab bapara bapora bar-or baraka barara barbar barbra barbro baroko barpak barrak bbbbbb boabab bobara bobbar bobrok bokaro bokoro booboo boorka borapa borbor boroko bororo brokkr brokpa ka-bar