a-ak aaaa aaab aaal aaas aaba aabb aabl aabt aaka aala aall aals aasa aass aast aata aatk aatt abaa abab abak abal abas abat abb- abba abbb abbs abbt abla abls abs- absa absl abss abta abts akaa akal akas akka aksa akst alaa alak alal alas alat alb- alba albs alk- alka alkb all- alla alll alls alsa alst alta alts asaa asab asak asal asas asat asba aska asks askt asla assa assk assl asss asst asta astb astl asts at-l at-t ataa atab atak atal atas atat atbs atka atkt atla atls atsb atst atta atts baaa baak baal baas baat baba babb babs bak- baka bakl baks bakt bala balk ball bals balt basa bask bass bast bata bats batt bbas bbbb bbbs bblb bbls blaa blab blak blas blat blbt blkb blls blss blst blts bsaa bsas bsat bskt bsts btaa btla btss bttb kaaa kaab kaak kaal kaas kaat kaba kabb kaka kakk kaks kakt kala kalb kalk kall kals kalt kas- kasa kasb kask kasl kass kast kat- kata katb katk katl kats katt kbaa kbab kbak kbal kbas kbat kbba kbbb kbbk kbbl kbbs kbbt kbkb kbkk kbkl kbla kblb kbll kbls kblt kbsa kbsb kbsk kbss kbst kbta kbtb kbtk kbtl kbts kbtt kkaa kkal kkat kkba kkbb kkbl kkbs kkbt kkkk kklb kkll kkls kksa kkss kkst kktk kktl kkts klaa klab klak klal klas klat klbb klbl klbs klbt klka klkk klkl klks klla kllb kllk klls klsa klst kltk kltt ksab ksak ksal ksas ksat ksba ksbl ksbs kska kskb kskk ksks ksla kslb kslk ksll kslt kssa kssl ksss ksst ksta kstb kstk kstl ksts kstt ktaa ktak ktal ktas ktat ktba ktbb ktbl ktbt ktkb ktkk ktks ktkt ktla ktlb ktlk ktlt ktsa ktsl ktst kttk ktts kttt laaa laak laal laas laat laba labs laka laks lala lall lasa lask lass last lata lats latt lkab lkal llat llbs llks llll lsat lsla lssa lsts ltbl ltsa saab saak saal saas saat saba sabb sabs saka sakb sakk saks sala salk sall sals salt sasa sask sasl sass sast sata satb satl sats satt sbaa sbas sbbs sbsa sbst sbtk skab skal skat skss slaa slab slak slas slat slsa slst slts ssaa ssab ssas ssat ssla sslt sssa sssb ssss ssta sstb sstl ssts stab stak stal stas stat stbs stks stlt stss taa- taal taas taat taba tabb tabl tabs taka takk taks takt tala talk tall tals tasa tasb task tass tast tata tatb tats tatt tbas tbbs tbst tbta tkts tsaa tsal tsat tsks tssa tsst tsts ttab ttbb ttss tttt