-ana a-ak aaaa aaab aaan aaar aaas aaba aabb aabt aaka aana aara aars aart aasa aass aast aata aatk aatt abaa abab abak aban abar abas abat abb- abba abbb abbr abbs abbt abra abrs abs- absa abss abta abts akaa akan akar akas akka akna akr- akra aksa akst ana- anaa anab anak anan anar anas anat anba anbb ank- anka anna annb anns annt ansa ant- anta antr ants antt arab arak aran arar aras arat arba arbs arka arks arna arnk arns arnt arr- arra arrk arrr arrs arrt ars- arsa arsk arst arta artr arts asaa asab asak asan asar asas asat asba aska askr asks askt asra asrs assa assk assn assr asss asst asta astb astr asts at-t ataa atab atak atan atar atas atat atbs atka atkt atna atns atra atrk atrn atsb atst atta attn attr atts baaa baak baan baar baas baat baba babb babr babs bak- baka bakr baks bakt bana bank bann banr bans bant bar- bara barb bark barn barr bars bart basa bask bass bast bata batn bats batt bbas bbbb bbbs bnas bnrr bnss bnta brab brak bran bras brat brka brkb brna brns brrr brrs brsb brsr brst bsaa bsas bsat bskt bsns bsra bsts btaa btan btrt btss bttb kaaa kaab kaak kaan kaar kaas kaat kaba kabb kabr kaka kakk kakn kaks kakt kana kanb kann kans kant kara karb kark karn karr kars kart kas- kasa kasb kask kasn kasr kass kast kat- kata katb katk katn katr kats katt kbaa kbab kbak kbar kbas kbat kbba kbbb kbbk kbbr kbbs kbbt kbkb kbkk kbkr kbna kbnn kbnr kbra kbrb kbrk kbrn kbrt kbsa kbsb kbsk kbsn kbsr kbss kbst kbta kbtb kbtk kbtn kbtr kbts kbtt kkaa kkan kkar kkat kkba kkbb kkbn kkbr kkbs kkbt kkkk kknb kknn kkns kknt kkrb kkrk kkrn kkrr kkrs kkrt kksa kksn kksr kkss kkst kktk kkts knaa knab knan knar knas knat knba knbb knbn knbr knbt knkk knkt knnb knnk knnr knns knrb knrk knrs knsa knsb knsk knsn knsr knss knst kntk kntn kntr knts krab krak kran krar kras krat krba krbb krbk krbr krbt krka krkk krkn krkr krks krna krnb krnk krnn krnt krrb krrk krrn krrr krrs krrt krsa krsk krsn krsr krss krst krta krtk krtn krtr krts ksab ksak ksan ksar ksas ksat ksba ksbn ksbr ksbs kska kskb kskk kskn kskr ksks ksna ksnb ksnk ksnn ksnr ksns ksnt ksra ksrb ksrn ksrr ksrs ksrt kssa kssn kssr ksss ksst ksta kstb kstk kstn kstr ksts kstt ktaa ktak ktan ktar ktas ktat ktba ktbb ktbn ktbr ktbt ktkb ktkk ktkn ktkr ktks ktkt ktna ktnk ktnn ktns ktnt ktrb ktrk ktrn ktrr ktrs ktrt ktsa ktsn ktsr ktst kttk kttn kttr ktts kttt naaa naab naan naar naas naat naba nabk nabs naka naks nan- nana nanb nann nans nant nara nark narn narr nars nart nas- nasa nasb nask nasr nass nast nata nats natt nbaa nbak nbar nbas nknt nktr nnnn nnsa nnss nntn nrab nras nrna nrsa nrta nrts nsaa nsar nskk nsna nsnr nsra nssa nssb nssr nsss nsts ntsb ntss nttr raab raak raan raas raat raba rabb rabk rabs raka rakk rakt rana rank rann rans rant rara rarb rark rars rasa rask rass rast rata ratk rats ratt rbbb rbbr rbbs rbss rbst rkss rkts rnas rnbr rnnt rras rrat rrna rrrr rsaa rsna rsnn rsnr rssa rsts rtan rtas rtkn rtns rtss rtts saab saak saan saar saas saat saba sabb sabr sabs saka sakb sakk saks sana sank sann sanr sans sant sara sark sarn sarr sars sart sasa sask sass sast sata satb satn satr sats satt sbaa sbar sbas sbbs sbrk sbsa sbst sbtk sbtn skab skan skar skat skn- skra skrt skss snab snak snar snas snat snba snns snra snrk snrs sntr sras srna srnn srta srtr ssaa ssab ssan ssas ssat ssbn ssbr ssns ssra ssrs sssa sssb ssss ssta sstb ssts stab stak stan star stas stat stbs stks stnn stnr stns stra strk strn strs stss sttr taa- taan taar taas taat taba tabb tabs taka takk taks takt tana tank tann tans tant tara tarb tark tarn tarr tars tart tasa tasb task tasr tass tast tata tatb tatr tats tatt tbar tbas tbbs tbrb tbst tbta tkts tnks tnts traa trab trak tran tras trat trna trra trst trtr tsaa tsar tsat tsks tsna tssa tssr tsst tsts ttab ttbb ttss tttt