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 akaa akam akao akar akas akka akko akok akom akos akr- akra aksa amaa amam amar amas amb- amba ambo ambr ambs amka amm- amma ammo amob amok amoo amor amos 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 arr- arra arrk arro arrr arrs ars- arsa arsk arso 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 baaa baak baam baar baas baba babb babm babo babr babs bak- baka bako bakr baks bama bamb bamm bams baos bar- bara barb bark barm baro barr bars basa bask baso bass bbas bbbb bbbs bmaa boab boak boar boas boba bobb bobo bobs boka boko boks boma bomb boms boob book boom boor boos bor- bora bork borm boro borr bors bosa bosk bosm boso boss brab brak bram brao bras brka brkb broa brob brok brom broo bror bros brrm brrr brrs brsb brsr bsaa bsam bsas bsms bsos bsra bsrm bssm k-os kaaa kaab kaak kaam kaar kaas kaba kabb kabo kabr kaka kakk kakm kako kaks kam- kama kamb kamm kamo kamr kams kaoa kaok kaor kaos kara karb kark karm karo karr kars kas- kasa kasb kask kasm kaso kasr kass kbaa kbab kbak kbam kbar kbas kbba kbbb kbbk kbbm kbbo kbbr kbbs kbkb kbkk kbko kbkr kbmb kbmo kbmr kbms kboa kbob kbok kboo kbos kbra kbrb kbrk kbro kbsa kbsb kbsk kbsm kbso kbsr kbss kkaa kkam kkar kkba kkbb kkbo kkbr kkbs kkkk kkma kkmk kkmo kkmr kkms kkoa kkob kkoo kkor kkrb kkrk kkro kkrr kkrs kksa kksm kksr kkss kmak kmam kmas kmbr kmbs kmkk kmko kmks kmmk kmmm kmmo kmmr kmms kmoa kmob kmok kmom kmor kmrb kmro kmrr kmrs kmsa kmsb kmso kmsr kmss koab koak koar koas koba kobb kobk kobo kobr kobs koka kokb kokk koko kokr koks koma komb komo komr koms koob kook kooo koor koos kora korb kork koro korr kors kos- kosa kosb koso kosr koss krab krak kram krar kras krba krbb krbk krbm krbr krka krkk krko krkr krks krma krmb krmo krmr krms kroa krob krok krom kroo kror kros krrb krrk krrm krro krrr krrs krsa krsk krsr krss ksab ksak ksam ksar ksas ksba ksbr ksbs kska kskb kskk ksko kskr ksks ksma ksmb ksmm ksmo ksmr ksms ksob ksok ksom ksoo ksor ksos ksra ksrb ksrm ksro ksrr ksrs kssa kssm ksso kssr ksss maaa maak maam maar maas maba mabo mabs maka mako maks mama mamo mams maor maos mar- mara mark marm maro marr mars masa mask masr mass mbam mbas mbba mbbs mbms mbrs mkak mkks mksm mmaa mmab mmar mmas mmmm mmms mmor moaa moab moam moar moas moba mobb mobo mobs moka moko moma momo moms mooa moob mook moor moos mora morb mork moro mors mosa mosk moso moss mras mrbb mrbm mrbs mrkr mrsa msaa msar msas msba msma msmb msmm msms msoa msor msra msrb mssa mssm mssr oaks oama oams oara oars oass obak obas obba obbo obkb obok obor obos obra obro obsr obss okak okam okas okka okko okmo okok okom okor okra okro oksa okso omak omam omao omar omas ombo omma omo- omoa omoo omor omra omro omsa omsk ooaa ooak ooba ooma ooms oooo ooos oora oosa orab orak oram orao orar oras orba orbb orbo orbs orka orko orma ormo oro- orok orom oror oros orra orro orrs orsa orsk orso osak osam osar osas osba osm- osmo osoo osor osos osro ossa ossb osso raab raak raam raas raba rabb rabk rabo rabs raka rakk rama ramb ramm ramo rams raob raok raom raos rara rarb rark raro rars rasa rask rasm raso rass rbbb rbbr rbbs rbmk rbms rbss rkos rkss rmas rmbs roab roak roam roar roas rob- roba robb robo robs roka rokk roko rokr roks roma romb romk romm romo roms roob rook room roor roos rora rork roro rosa roso ross rras rrkm rrrr rsaa rsma rsos rssa s-os saab saak saam saar saas saba sabb sabo sabr sabs saka sakb sakk sako saks sam- sama samm samo sams saor saos sara sark sarm saro sarr sars sasa sask sasm saso sass sbaa sbar sbas sbbs sbma sbor sbrk sbsa skab skar skor skra skss smaa smak smas smba smkb smok smos smrk smss soak soam soar soas soba sobo sobr sobs soka sokk soko soma somb somm somo sook soom soor soos sora sorb sorm soro sorr sors sosa soso soss sram sras sros ssaa ssab ssam ssao ssas ssbr ssra ssrm ssrs sssa sssb sssm ssss