a-a a-b a-i a-t aaa aab aai aak aar aas aat ab- aba abb abi abk abr abs abt ai- aia aib aii aik air ais ait aka akb aki akk akr aks ar- ara arb ari ark arr ars art as- asa asb asi ask asr ass ast at- ata atb ati atr ats att baa bab bai bak bar bas bat bba bbb bbi bbk bbr bbs bbt bi- bia bib bii bik bir bis bit bka bkb bkk bkr bks bkt bra brb bri brk brr brs brt bsa bsb bsi bsk bsr bss bst bta btb bti btk btr bts btt ia- iaa iab iai iar ias iat iba ibb ibi ibk ibr ibs ibt iia iib iii iir iis iit ika ikb iki ikk ikr iks ikt ir- ira irb iri irk irr irs irt is- isa isb isi isk isr iss ist ita itb iti itk its itt k-t ka- kaa kab kai kak kar kas kat kba kbb kbi kbk kbr kbs kia kib kii kik kir kis kit kkb kki kkk kkr kks kkt kra kri krk krr krs krt ksa ksb ksi ksk ksr kss kst kta ktb ktk ktr kts ktt ra- raa rab rai rak rar ras rat rba rbb rbi rbk rbr rbs rbt ria rib rii rik rir ris rit rkb rkk rks rkt rra rrb rri rrk rrr rrs rrt rsa rsb rsi rsk rsr rss rst rta rtb rti rtk rtr rts rtt saa sab sai sak sar sas sat sba sbb sbi sbk sbr sbs sbt sia sib sii sik sir sis sit sk- ska skb ski skk skr sks skt sr- sra srb sri srk srr srs srt ss- ssa ssb ssi ssk ssr sss sst sta stb sti stk str sts stt taa tab tai tak tar tas tat tba tbb tbi tbk tbr tbs tbt tia tib tii tik tir tis tit tka tkb tkk tkr tks tkt tra trb tri trk trr trs trt tsa tsb tsi tsk tsr tss tst tta ttb tti ttk ttr tts ttt

a-ak a-ii aaaa aaab aaai aaar aaas aaba aabb aabi aabt aaib aaii aais aaka aara aari aars aart aasa aasi aass aast aata aatk aatt abaa abab abai abak abar abas abat abb- abba abbb abbi abbr abbs abbt abia abib abir abis abit abra abri abrs abs- absa absi abss abta abts aiai aias aiba aiia aiib aiir aika aiki aiks aira airi airs airt aisa aisb aisi aisk aisr aist aita aiti aitr aits aitt akaa akai akar akas akia akik akir akis akka akki akr- akra aksa aksi akst arab arai arak arar aras arat arba arbi arbs aria arib arii arik aris arit arka arki arks arr- arra arri arrk arrr arrs arrt ars- arsa arsi arsk arst arta arti artr arts asaa asab asai asak asar asas asat asba asia asii asik asir asis asit aska aski askr asks askt asra asrs assa assi assk assr asss asst asta astb asti astr asts at-t ataa atab atai atak atar atas atat atbs atia atik atis atit atka atkt atra atri atrk atsb atsi atst atta atti attr atts ba-i baaa baak baar baas baat baba babb babi babr babs baia baib baik bair bais bait bak- baka baki bakr baks bakt bar- bara barb bari bark barr bars bart basa basi bask bass bast bata bati bats batt bbas bbbb bbbs biak biar bias biat biba bibb bibi bibs biis bira birb biri birk birr birs birt bis- bisa bisk biss bist bita bits bitt brab brai brak bras brat bria brik bris brit brka brkb brrr brrs brsb brsr brst bsaa bsas bsat bskt bsra bsts btaa btrt btss bttb iaaa iaai iaas iaat iaba iaia iais iara iars iart iasa iasi iask iasr iata iati ibar ibas ibat ibia ibis ibra ibri ibsa ibss ibtb ibts iias iiii iiis iiit iira iirs iisi iisr iist iita iitr iitt ikar ikat ikki ikra ikri irai irak irar iras iri- iria iris irka irki irks irra irri irrs irsa irta irti irts is-a isai isak isar isas isat isba isbt isia isis isit iska isra isri issa issi issr isss ista isti istr ists itaa itai itak itar itas itat itbs itia itis itra itri itrs itsa itsi itta kaaa kaab kaai kaak kaar kaas kaat kaba kabb kabi kabr kaia kaib kaii kaik kair kais kait kaka kaki kakk kaks kakt kara karb kari kark karr kars kart kas- kasa kasb kasi kask kasr kass kast kat- kata katb kati katk katr kats katt kbaa kbab kbai kbak kbar kbas kbat kbba kbbb kbbi kbbk kbbr kbbs kbbt kbia kbib kbik kbis kbit kbkb kbkk kbkr kbra kbrb kbri kbrk kbrt kbsa kbsb kbsi kbsk kbsr kbss kbst kbta kbtb kbtk kbtr kbts kbtt kiab kiai kiar kias kiba kibb kibi kibr kibs kibt kiia kiii kiik kiis kiit kika kiki kikk kikr kikt kira kirb kiri kirk kirr kirs kirt kisa kisi kisk kisr kiss kist kita kiti kitr kits kitt kkaa kkai kkar kkat kkba kkbb kkbi kkbr kkbs kkbt kkia kkik kkit kkkk kkrb kkrk kkrr kkrs kkrt kksa kksi kksr kkss kkst kktk kkts krab krai krak krar kras krat krba krbb krbi krbk krbr krbt kria krib krik kris krit krka krki krkk krkr krks krrb krri krrk krrr krrs krrt krsa krsk krsr krss krst krta krti krtk krtr krts ksab ksak ksar ksas ksat ksba ksbi ksbr ksbs ksib ksii ksik ksir ksis ksit kska kskb kskk kskr ksks ksra ksrb ksrr ksrs ksrt kssa kssi kssr ksss ksst ksta kstb ksti kstk kstr ksts kstt ktaa ktai ktak ktar ktas ktat ktba ktbb ktbr ktbt ktia ktib ktik ktis ktkb ktkk ktkr ktks ktkt ktrb ktri ktrk ktrr ktrs ktrt ktsa ktsr ktst ktti kttk kttr ktts kttt raab raak raas raat raba rabb rabi rabk rabs raia raii raik rair rais rait raka raki rakk rakt