a-a a-b a-z aaa aab aak aam aao aar aas aaz ab- aba abb abk abm abo abr abs abz aka akb akk akm ako akr aks ama amb amk amm amo amr ams amz aoa aob aok aom aoo aor aos ar- ara arb ark arm aro arr ars arz as- asa asb ask asm aso asr ass asz az- aza azb azm azo azs azz baa bab bak bam bao bar bas baz bba bbb bbk bbm bbo bbr bbs bka bkb bkk bkm bko bkr bks bma bmb bmk bmm bmo bmr bms bmz boa bob bok bom boo bor bos boz bra brb brk brm bro brr brs brz bsa bsb bsk bsm bso bsr bss bza bzo bzr bzs bzz k-z ka- kaa kab kak kam kao kar kas kaz kba kbb kbk kbm kbo kbr kbs kbz kkb kkk kkm kkr kks kma kmb kmk kmm kmo kms kmz koa kob kok kom koo kor kos koz kra krk kro krr krs ksa ksb ksk ksm kso ksr kss kzo m-o m-r maa mab mak mam mao mar mas maz mba mbb mbk mbm mbo mbr mbs mka mkb mkk mkm mko mkr mks mkz mma mmb mmk mmm mmo mmr mms mmz moa mob mok mom moo mor mos moz mra mrb mrk mrm mro mrr mrs mrz msa msb msk msm mso msr mss mza mzb mzm oaa oab oak oam oao oar oas ob- oba obb obk obm obo obr obs oka okb okk oko okr oks om- oma omb omm omo omr oms omz oo- ooa oob ook oom ooo oor oos or- ora orb ork orm oro orr ors orz os- osa osb osk osm oso osr oss oza ozm ozo ozs ozz ra- raa rab rak ram rao rar ras raz rba rbb rbk rbm rbo rbr rbs rkb rkk rkm rko rks rkz rma rmb rmm rmo rmr rms roa rob rok rom roo ror ros roz rra rrb rrk rrm rrr rrs rsa rsb rsk rsm rso rsr rss rza rzb rzm rzo saa sab sak sam sao sar sas saz sba sbb sbk sbm sbo sbr sbs sk- ska skb skk skm sko skr sks sma smb smk smm smo smr sms smz soa sob sok som soo sor sos soz sr- sra srb srk srm sro srr srs ss- ssa ssb ssk ssm sso ssr sss ssz sza szr zaa zab zak zam zao zar zas zaz zbb zbm zbr zbs zka zks zma zmb zmk zmm zms zo- zoa zob zok zom zoo zor zos zro zrs zsa zsm zsz zzr zzs zzz

a-ak a-ok aaaa aaab aaam aaar aaas aaba aabb aabm aaka aama aamb aamo aamr aams aaoo aara aarm aaro aars aasa aasm aass abaa abab abak abam abar abas abb- abba abbb abbo abbr abbs abma abmb abms aboa abob abok aboo abor abos abra abro abrs abs- absa abss abza akaa akam akao akar akas akka akko akok akom akos akr- akra aksa amaa amam amar amas amaz amb- amba ambo ambr ambs amka amm- amma ammo amob amok amoo amor amos amoz amra amro amsa amso amss aoba aoks aoma aora aorb aors aoss arab arak aram arar aras arba arbs arka arko arks arma armm armo arms aroa arob arom aroo aror aros aroz arr- arra arrk arro arrr arrs ars- arsa arsk arso arza arzo asaa asab asak asam asao asar asas asba asbm asbo aska asko askr asks asma asmm asmr asms asob asok asom asor asos asra asrm asro asrs assa assk asso assr asss aza- azab azar azas azaz azo- azoo azor azos azra azza azzo baaa baak baam baar baas baaz baba babb babm babo babr babs bak- baka bako bakr baks bama bamb bamm bams baos bar- bara barb bark barm baro barr bars barz basa bask baso bass baza bazm bazo bbas bbbb bbbs bmaa boab boak boar boas boaz boba bobb bobo bobs boka boko boks boma bomb boms boob book boom boor boos booz bor- bora bork borm boro borr bors borz bosa bosk bosm boso boss boza bozo brab brak bram brao bras braz brka brkb broa brob brok brom broo bror bros broz brrm brrr brrs brsb brsr brza bsaa bsam bsas bsms bsos bsra bsrm bssm bzrk bzzz k-os kaaa kaab kaak kaam kaar kaas kaba kabb kabo kabr kabz kaka kakk kakm kako kaks kam- kama kamb kamm kamo kamr kams kamz kaoa kaok kaor kaos kara karb kark karm karo karr kars karz kas- kasa kasb kask kasm kaso kasr kass kaza kazm kazo kazr kazz kbaa kbab kbak kbam kbar kbas kbaz kbba kbbb kbbk kbbm kbbo kbbr kbbs kbbz kbkb kbkk kbko kbkr kbkz kbmb kbmo kbmr kbms kboa kbob kbok kboo kbos kboz kbra kbrb kbrk kbro kbrz kbsa kbsb kbsk kbsm kbso kbsr kbss kbsz kbzm kbzo kbzs kbzz kkaa kkam kkar kkba kkbb kkbo kkbr kkbs kkbz kkkk kkma kkmk kkmo kkmr kkms kkoa kkob kkoo kkor kkoz kkrb kkrk kkro kkrr kkrs kkrz kksa kksm kksr kkss kkzz kmak kmam kmas kmaz kmbr kmbs kmbz kmkk kmko kmks kmkz kmmk kmmm kmmo kmmr kmms kmmz kmoa kmob kmok kmom kmor kmoz kmrb kmro kmrr kmrs kmsa kmsb kmso kmsr kmss kmza kmzk kmzo kmzr kmzz koab koak koar koas koaz koba kobb kobk kobo kobr kobs koka kokb kokk koko kokr koks kokz koma komb komo komr koms koob kook kooo koor koos kooz kora korb kork koro korr kors kos- kosa kosb koso kosr koss kosz koza kozb kozk kozo kozr krab krak kram krar kras kraz krba krbb krbk krbm krbr krbz krka krkk krko krkr krks krkz krma krmb krmo krmr krms kroa krob krok krom kroo kror kros kroz krrb krrk krrm krro krrr krrs krrz krsa krsk krsr krss krza krzk krzr krzs krzz ksab ksak ksam ksar ksas ksaz ksba ksbr ksbs ksbz kska kskb kskk ksko kskr ksks kskz