a-ak a-ok aaaa aaab aaam aaas aaba aabb aabm aaka aama aamb aamo aams aaoo aasa aasm aass abaa abab abak abam abas abb- abba abbb abbo abbs abma abmb abms aboa abob abok aboo abos abs- absa abss akaa akam akao akas akka akko akok akom akos aksa amaa amam amas amb- amba ambo ambs amka amm- amma ammo amob amok amoo amos amsa amso amss aoba aoks aoma aoss asaa asab asak asam asao asas asba asbm asbo aska asko asks asma asmm asms asob asok asom asos assa assk asso asss baaa baak baam baas baba babb babm babo babs bak- baka bako baks bama bamb bamm bams baos basa bask baso bass bbas bbbb bbbs bmaa boab boak boas boba bobb bobo bobs boka boko boks boma bomb boms boob book boom boos bosa bosk bosm boso boss bsaa bsam bsas bsms bsos bssm k-os kaaa kaab kaak kaam kaas kaba kabb kabo kaka kakk kakm kako kaks kam- kama kamb kamm kamo kams kaoa kaok kaos kas- kasa kasb kask kasm kaso kass kbaa kbab kbak kbam kbas kbba kbbb kbbk kbbm kbbo kbbs kbkb kbkk kbko kbmb kbmo kbms kboa kbob kbok kboo kbos kbsa kbsb kbsk kbsm kbso kbss kkaa kkam kkba kkbb kkbo kkbs kkkk kkma kkmk kkmo kkms kkoa kkob kkoo kksa kksm kkss kmak kmam kmas kmbs kmkk kmko kmks kmmk kmmm kmmo kmms kmoa kmob kmok kmom kmsa kmsb kmso kmss koab koak koas koba kobb kobk kobo kobs koka kokb kokk koko koks koma komb komo koms koob kook kooo koos kos- kosa kosb koso koss ksab ksak ksam ksas ksba ksbs kska kskb kskk ksko ksks ksma ksmb ksmm ksmo ksms ksob ksok ksom ksoo ksos kssa kssm ksso ksss maaa maak maam maas maba mabo mabs maka mako maks mama mamo mams maos masa mask mass mbam mbas mbba mbbs mbms mkak mkks mksm mmaa mmab mmas mmmm mmms moaa moab moam moas moba mobb mobo mobs moka moko moma momo moms mooa moob mook moos mosa mosk moso moss msaa msas msba msma msmb msmm msms msoa mssa mssm oaks oama oams oass obak obas obba obbo obkb obok obos obss okak okam okas okka okko okmo okok okom oksa okso omak omam omao omas ombo omma omo- omoa omoo omsa omsk ooaa ooak ooba ooma ooms oooo ooos oosa osak osam osas osba osm- osmo osoo osos ossa ossb osso s-os saab saak saam saas saba sabb sabo sabs saka sakb sakk sako saks sam- sama samm samo sams saos sasa sask sasm saso sass sbaa sbas sbbs sbma sbsa skab skss smaa smak smas smba smkb smok smos smss soak soam soas soba sobo sobs soka sokk soko soma somb somm somo sook soom soos sosa soso soss ssaa ssab ssam ssao ssas sssa sssb sssm ssss