a-a a-b a-i a-z aaa aab aai aak aao aar aaz ab- aba abb abi abk abo abr abz ai- aia aib aii aik aio air aiz aka akb aki akk ako akr aoa aob aoi aok aoo aor ar- ara arb ari ark aro arr arz az- aza azb azi azo azz baa bab bai bak bao bar baz bba bbb bbi bbk bbo bbr bi- bia bib bii bik bio bir biz bka bkb bkk bko bkr boa bob boi bok boo bor boz bra brb bri brk bro brr brz bza bzo bzr bzz ia- iaa iab iai iao iar iaz iba ibb ibi ibk ibo ibr ibz iia iib iii iio iir ika ikb iki ikk iko ikr io- ioa iob ioi ioo ior ir- ira irb iri irk iro irr iza izi izo izz k-z ka- kaa kab kai kak kao kar kaz kba kbb kbi kbk kbo kbr kbz kia kib kii kik kio kir kiz kkb kki kkk kkr koa kob koi kok koo kor koz kra kri krk kro krr kzo o-i oaa oab oai oak oao oar ob- oba obb obi obk obo obr oia oib oii oik oio oir oiz oka okb oki okk oko okr oo- ooa oob ooi ook ooo oor or- ora orb ori ork oro orr orz oza ozo ozz ra- raa rab rai rak rao rar raz rba rbb rbi rbk rbo rbr ria rib rii rik rio rir riz rkb rkk rko rkz roa rob roi rok roo ror roz rra rrb rri rrk rrr rza rzb rzo zaa zab zai zak zao zar zaz zbb zbr zia zib zik zio zir ziz zka zo- zoa zob zoi zok zoo zor zro zzr zzz

a-ak a-ii a-ok aaaa aaab aaai aaar aaba aabb aabi aaib aaii aaka aaoo aara aari aaro abaa abab abai abak abar abb- abba abbb abbi abbo abbr abia abib abir aboa abob abok aboo abor abra abri abro abza aiai aiba aibo aiia aiib aiir aika aiki aiko aioi aira airi airo aiza aizi akaa akai akao akar akia akik akio akir akka akki akko akok akr- akra aoba aoki aora aorb arab arai arak arar arba arbi aria arib arii arik ario ariz arka arki arko aroa arob aroi aroo aror aroz arr- arra arri arrk arro arrr arza arzo aza- azab azai azar azaz azia aziz azki azo- azoi azoo azor azra azza azzi azzo ba-i baaa baak baar baaz baba babb babi babo babr baia baib baik baio bair bak- baka baki bako bakr bar- bara barb bari bark baro barr barz baza bazi bazo bbbb biak biao biar biba bibb bibi bibo biko bio- bioi bira birb biri birk biro birr bizz boab boai boak boar boaz boba bobb bobi bobo boi- boii boka boki boko boob book boor booz bor- bora bori bork boro borr borz boza bozi bozo brab brai brak brao braz bria brik brio briz brka brkb broa brob brok broo bror broz brrr brza bzrk bzzz iaaa iaai iaba iaia iara ibar ibia ibra ibri ibro iiii iiio iioi iioo iira ikar ikki ikko ikoo ikra ikri ioba iobi ioii ioio ioko iooi iooo iora iori irai irak irao irar iri- iria irio irka irki irob irra irri izak izar izba izia izki izra izzo kaaa kaab kaai kaak kaar kaba kabb kabi kabo kabr kabz kaia kaib kaii kaik kaio kair kaiz kaka kaki kakk kako kaoa kaoi kaok kaor kara karb kari kark karo karr karz kaza kazi kazo kazr kazz kbaa kbab kbai kbak kbar kbaz kbba kbbb kbbi kbbk kbbo kbbr kbbz kbia kbib kbik kbio kbiz kbkb kbkk kbko kbkr kbkz kboa kbob kboi kbok kboo kboz kbra kbrb kbri kbrk kbro kbrz kbzi kbzo kbzz kiab kiai kiar kiba kibb kibi kibo kibr kibz kiia kiii kiik kika kiki kikk kiko kikr kikz kioa kioi kiok kioo kioz kira kirb kiri kirk kiro kirr kizz kkaa kkai kkar kkba kkbb kkbi kkbo kkbr kkbz kkia kkik kkkk kkoa kkob kkoo kkor kkoz kkrb kkrk kkro kkrr kkrz kkzz koab koai koak koar koaz koba kobb kobi kobk kobo kobr koii koir koka kokb koki kokk koko kokr kokz koob kooi kook kooo koor kooz kora korb kori kork koro korr koza kozb kozi kozk kozo kozr krab krai krak krar kraz krba krbb krbi krbk krbr krbz kria krib krik krio kriz krka krki krkk krko krkr krkz kroa krob kroi krok kroo kror kroz krrb krri krrk krro krrr krrz krza krzi krzk krzr krzz kzar kzaz kzbb kzbi kzbk kzbr kzbz kzia kzio kziz kzkr kzkz kzoi kzoo kzor kzoz kzrb kzrk kzro kzrr kzrz kzza kzzb kzzi kzzk kzzo kzzr kzzz oara obai obak obba obbo obia obkb oboi obok obor obra obri obro oiba oiii oiko oira okak okaz okia okir okka okko okok okor okra okro ooaa ooak ooba oobi ooia oooo oora oozi orab orai orak orao orar orba orbb orbi orbo ori- oria orio orka orko oro- orok oror oroz orra orri orro orzk orzo ozai ozar raab raak raaz raba rabb rabi rabk rabo raia raii raik rair raiz raka raki rakk raob raok rara rarb rari rark raro rarz raza razi razo razr razz rbbb rbbr riaa riab riai riak riaz rib- riba ribo riia rika riki rikk rioz riri riza rizi rizk rizz roab roak roar rob- roba robb robi robo roia roik roio roir roiz roka roki rokk roko rokr roob rooi rook roor rooz rora rori rork roro roza rozi rozz rrrr rzab rzka z-ro zaar zaba zabi zabo zabr zaia zaio zaka zaki zakk zara zarb zari zark zaro zarr zaza zazi zbar zbik ziak ziar ziaz ziba zibo zika ziki zikr zira ziri ziro ziza zizi zizz zoar zobo zoia zoio zoo- zook zora zorb zori zork zoro zoza zozo zzzz

-aaa- a-iii aaaai aabaa aabba aabra aaiib aakko aaria abaab ababa abaia abair abaka abako abara abari abaza abazi