-al a-a a-b a-t aaa aab aak aal aar aas aat ab- aba abb abk abl abr abs abt aka akb akk akl akr aks al- ala alb alk all alr als alt ar- ara arb ark arl arr ars art as- asa asb ask asl asr ass ast at- ata atb atl atr ats att baa bab bak bal bar bas bat bba bbb bbk bbl bbr bbs bbt bka bkb bkk bkl bkr bks bkt bla blb blk bll blr bls blt bra brb brk brl brr brs brt bsa bsb bsk bsl bsr bss bst bta btb btk btl btr bts btt k-t ka- kaa kab kak kal kar kas kat kba kbb kbk kbl kbr kbs kkb kkk kkl kkr kks kkt kl- kla klb klr kls klt kra krk krl krr krs krt ksa ksb ksk ksl ksr kss kst kta ktb ktk ktl ktr kts ktt la- laa lab lak lal lar las lat lba lbb lbk lbl lbr lbs lbt lka lkb lkl lkr lks lkt lla llb llk lll llr lls llt lra lrb lrk lrr lrs lrt lsa lsb lsk lsl lsr lss lst lta ltb ltk ltl ltr lts ltt ra- raa rab rak ral rar ras rat rba rbb rbk rbl rbr rbs rbt rkb rkk rks rkt rla rll rlr rls rlt rra rrb rrk rrl rrr rrs rrt rsa rsb rsk rsl rsr rss rst rta rtb rtk rtl rtr rts rtt saa sab sak sal sar sas sat sba sbb sbk sbl sbr sbs sbt sk- ska skb skk skl skr sks skt sla slb slk sll slr sls slt sr- sra srb srk srl srr srs srt ss- ssa ssb ssk ssl ssr sss sst sta stb stk stl str sts stt taa tab tak tal tar tas tat tba tbb tbk tbl tbr tbs tbt tka tkb tkk tkl tkr tks tkt tla tlk tll tlr tls tlt tra trb trk trl trr trs trt tsa tsb tsk tsl tsr tss tst tta ttb ttk ttl ttr tts ttt

a-ak aaaa aaab aaal aaar aaas aaba aabb aabl aabt aaka aala aall aals aara aars aart aasa aass aast aata aatk aatt abaa abab abak abal abar abas abat abb- abba abbb abbr abbs abbt abla abls abra abrs abs- absa absl abss abta abts akaa akal akar akas akka akr- akra aksa akst alaa alak alal alar alas alat alb- alba albs alk- alka alkb all- alla alll allr alls alsa alst alta alts arab arak aral arar aras arat arba arbs arka arks arla arr- arra arrk arrr arrs arrt ars- arsa arsk arst arta artr arts asaa asab asak asal asar asas asat asba aska askr asks askt asla aslr asra asrs assa assk assl assr asss asst asta astb astl astr asts at-l at-t ataa atab atak atal atar atas atat atbs atka atkt atla atls atra atrk atsb atst atta attr atts baaa baak baal baar baas baat baba babb babr babs bak- baka bakl bakr baks bakt bala balk ball bals balt bar- bara barb bark barr bars bart basa bask bass bast bata bats batt bbas bbbb bbbs bblb bbls blaa blab blak blas blat blbt blkb blls blss blst blts brab brak bras brat brka brkb brls brrr brrs brsb brsr brst bsaa bsas bsat bskt bsra bsts btaa btla btrt btss bttb kaaa kaab kaak kaal kaar kaas kaat kaba kabb kabr kaka kakk kaks kakt kala kalb kalk kall kals kalt kara karb kark karl karr kars kart kas- kasa kasb kask kasl kasr kass kast kat- kata katb katk katl katr kats katt kbaa kbab kbak kbal kbar kbas kbat kbba kbbb kbbk kbbl kbbr kbbs kbbt kbkb kbkk kbkl kbkr kbla kblb kbll kblr kbls kblt kbra kbrb kbrk kbrl kbrt kbsa kbsb kbsk kbsr kbss kbst kbta kbtb kbtk kbtl kbtr kbts kbtt kkaa kkal kkar kkat kkba kkbb kkbl kkbr kkbs kkbt kkkk kklb kkll kkls kkrb kkrk kkrl kkrr kkrs kkrt kksa kksr kkss kkst kktk kktl kkts klaa klab klak klal klar klas klat klbb klbl klbs klbt klka klkk klkl klkr klks klla kllb kllk klls klrk klrr klrs klsa klsr klst kltk kltr kltt krab krak kral krar kras krat krba krbb krbk krbl krbr krbt krka krkk krkr krks krla krlt krrb krrk krrl krrr krrs krrt krsa krsk krsl krsr krss krst krta krtk krtr krts ksab ksak ksal ksar ksas ksat ksba ksbl ksbr ksbs kska kskb kskk kskr ksks ksla kslb kslk ksll kslr kslt ksra ksrb ksrr ksrs ksrt kssa kssl kssr ksss ksst ksta kstb kstk kstl kstr ksts kstt ktaa ktak ktal ktar ktas ktat ktba ktbb ktbl ktbr ktbt ktkb ktkk ktkr ktks ktkt ktla ktlb ktlk ktlr ktlt ktrb ktrk ktrl ktrr ktrs ktrt ktsa ktsl ktsr ktst kttk kttr ktts kttt laaa laak laal laar laas laat laba labr labs laka laks lala lall lara larb lark larr lars lart lasa lask lass last lata lats latt lbar lblr lbrs lbrt lkab lkal lkrs llat llbs llks llll lral lrat lrba lrrr lrst lrta lrts ls-r lsat lsla lssa lssr lsts ltbl ltra ltrs ltsa ltsr lttr raab raak raas raat raba rabb rabk rabl rabs raka rakk rakt rala ralb rall ralt rara rarb rark rars rasa rask rasl rass rast rata ratk rats ratt rbbb rbbr rbbs rbsl rbss rbst rkss rkts rlab rlls rras rrat rrrr rsaa rssa rssl rsts rtas rtls rtlt rtss rtts saab saak saal saar saas saat saba sabb sabr sabs saka sakb sakk saks sala salk sall sals salt sara sark sarl sarr sars sart sasa sask sasl sass sast sata satb satl satr sats satt sbaa sbar sbas sbbs sbrk sbsa sbst sbtk skab skal skar skat skra skrt skss slaa slab slak slas slat slrs slsa slst slts sras srta srtr ssaa ssab ssas ssat ssbr ssla sslt ssra ssrl ssrs sssa sssb ssss ssta sstb