a-ak a-do a-ok aaaa aaab aaad aaar aaas aaba aabb aabd aabt aada aads aadt aaka aaoo aara aard aaro aars aart aasa aasd aass aast aata aatk aatt abaa abab abad abak abar abas abat abb- abba abbb abbo abbr abbs abbt abda abdo aboa abob abod abok aboo abor abos abot abra abro abrs abs- absa absd abss abta abts adaa adab adad adak adao adar adas adat adba adda addd addo addr adds adob adod adok adoo ador ados adot adra adro adrs adsa adso adsr adss adst adta adts akaa akao akar akas akka akko akok akos akot akr- akra aksa akst aoba aoks aora aorb aors aort aosd aoss aotd arab arad arak arar aras arat arba arbs arda ardo ards arka arko arks aroa arob arod aroo aror aros arr- arra arrk arro arrr arrs arrt ars- arsa arsd arsk arso arst arta arto artr arts asaa asab asad asak asao asar asas asat asba asbo asda asdo asds aska asko askr asks askt asob asod asok asor asos asot asra asro asrs assa assd assk asso assr asss asst asta astb asto astr asts at-t ataa atab atad atak atar atas atat atbs atdt atka atkt atob atod atok ator atos atot atra atrk atro atsb atst atta atto attr atts baaa baad baak baar baas baat baba babb babo babr babs bada badb badd bado badr bads bak- baka bako bakr baks bakt baos bar- bara barb bard bark baro barr bars bart basa bask baso bass bast bata bato bats batt bbad bbas bbbb bbbs bbdd bbdo bd-r bdos bdsd boab boad boak boar boas boat boba bobb bobo bobs boda bodb bodo bods boka boko boks boob bood book boor boos boot bor- bora bord bork boro borr bors bort bosa bosk boso boss bost bota botb botd boto bots bott brab brad brak brao bras brat brda brdo brds brdt brka brkb broa brob brod brok broo bror bros brot brrr brrs brsb brsr brst bsaa bsas bsat bsbd bskt bsod bsos bsra bsrd bssd bsts btaa btdt btob btor btrt btss bttb d-bo daab daad daar daas daba dabb dabo dabs dabt dada dado dads daka dako daks daos dara darb dard dark daro darr dars dart dasa dasb dasd dask dass dast data dato datr dats datt dbar dbas dbos dbrs dbsa dbss dbtt dddd ddot ddss ddts dkba doab doak doar doas doat doba dobb dobs dod- doda dodd dodo dods doka doko doob dood dook door doos doot dora dord dork doro dorr dors dort dosa dosk doso doss dost dota dotd dotk doto dots dott draa drab drad drak drar dras drat drba drda drob drod drot drra drrs drsa dsba dsda dsdr dsoa dsos dsrr dssa dsst dsto dsts dtaa dtor dtot dtss k-os kaaa kaab kaak kaar kaas kaat kaba kabb kabd kabo kabr kad- kada kadd kado kadr kads kadt kaka kakk kako kaks kakt kaoa kaok kaor kaos kara karb kard kark karo karr kars kart kas- kasa kasb kask kaso kasr kass kast kat- kata katb katd katk kato katr kats katt kbaa kbab kbad kbak kbar kbas kbat kbba kbbb kbbd kbbk kbbo kbbr kbbs kbbt kbdb kbdo kbdr kbds kbkb kbkk kbko kbkr kboa kbob kbod kbok kboo kbos kbot kbra kbrb kbrd kbrk kbro kbrt kbsa kbsb kbsk kbso kbsr kbss kbst kbta kbtb kbtk kbto kbtr kbts kbtt kdaa kdab kdad kdak kdao kdar kdat kdbb kdbr kdbs kddb kddd kddk kddr kdka kdkb kdkd kdkk kdko kdkr kdkt kdok kdot kdrb kdro kdrs kdsd kdsk kdsr kdss kdst kdta kdtd kdtr kkaa kkar kkat kkba kkbb kkbd kkbo kkbr kkbs kkbt kkda kkdd kkdo kkdt kkkk kkoa kkob kkoo kkor kkot kkrb kkrk kkro kkrr kkrs kkrt kksa kksd kksr kkss kkst kktk kkts koab koak koar koas koba kobb kobk kobo kobr kobs koda kodk kodo kods kodt koka kokb kokk koko kokr koks koob kook kooo koor koos koot kora korb kord kork koro korr kors kort kos- kosa kosb kosd koso kosr koss kost kota kotb kotd kotk koto kotr kots kott krab krad krak krar kras krat krba krbb krbd krbk krbr krbt krda krdd krdo krdr krds krka krkd krkk krko krkr krks kroa krob krod krok kroo kror kros krrb krrk krro krrr krrs krrt krsa krsd krsk krsr krss krst krta krtk krto krtr krts ksab ksak ksar ksas ksat ksba ksbr ksbs ksdk ksdr ksds kska kskb kskd kskk ksko kskr ksks ksob ksok ksoo ksor ksos ksra ksrb ksro ksrr ksrs ksrt kssa ksso kssr ksss ksst ksta kstb kstk ksto kstr ksts kstt ktaa ktak ktao ktar ktas ktat ktba ktbb ktbr ktbt ktdb ktdd ktdk ktdo ktdr ktkb ktkk ktko ktkr ktks ktkt ktob ktok ktoo ktor ktot ktrb ktrk ktro ktrr ktrs ktrt ktsa ktsd ktso ktsr ktst kttk ktto kttr ktts kttt oaks oara oars oass oast oats obad obak obas obba obbo obdt obkb obok obor obos obot obra obro obsd obsr obss obst obtd obts odas odbo odda oddd odds odoo odor odos odot odra odso odts okak okas okka okko okok okor okot okra okro oksa okso okta okto ooaa ooak ooba ooda oooo ooos oora oord oort oosa oost ootb oots orab orad orak orao orar oras orat orba orbb orbo orbs orda ordo ords orka orko oro- orok oror oros orot orra orro orrs orsa orsk orso orta orto orts osak osar osas osat osba osoo osor osos osrd osro ossa ossb ossd osso osta ostr osts otak otar otas otbd otbs oto- otok otoo otor otos otra otro otrs otsa otso otta otto otts raab raad raak raas raat raba rabb rabk rabo rabs rada radd rado radr rads radt raka rakk rakt raob raok raos rara rarb rark raro rars rasa rasd rask raso rass rast rata ratk rato rats ratt rbbb rbbr rbbs rbds rbsd rbss rbst rdas rdos rdso rkos rkss rkts