-ana aaaa aaab aaan aaar aaas aaba aabb aabt aana aang aara aars aart aasa aass aast aata aatt abaa abab abag aban abar abas abat abb- abba abbb abbr abbs abbt abra abrs abs- absa abss abta abts agag agan agar agas agat agba agga agna agns agra agsa agsg agst agta agtr agts ana- anaa anab anag anan anar anas anat anba anbb ang- anga angs anna annb anns annt ansa ant- anta antr ants antt arab arag aran arar aras arat arba arbs arga argb args arna arng arns arnt arr- arra arrg arrr arrs arrt ars- arsa arst arta artr arts asaa asab asag asan asar asas asat asba asgt asra asrg asrs assa assn assr asss asst asta astb astr asts at-t ataa atab atan atar atas atat atbs atna atns atra atrn atsb atst atta attn attr atts baaa baan baar baas baat baba babb babr babs baga bagg bagn bags bagt bana bang bann banr bans bant bar- bara barb barg barn barr bars bart basa bass bast bata batn bats batt bbas bbbb bbbs bbga bbng bbrg bgan bggs bgst bnas bnrr bnss bnta brab brag bran bras brat brna brns brrr brrs brsb brsr brst bsaa bsas bsat bsgs bsns bsra bsts btaa btan btrt btss bttb gaar gaas gaba gabb gabr gabs gabt gaga gagg gags gana gang gann gans gant gara garb garg garn garr gars gart gasa gasb gasr gass gast gata gatr gats gatt gbag gban gbas gbbs ggbt gggg ggrn ggss gnaa gnar gnas gnat gnrr grab gran gras grat grbr grrr grrs grss gsab gsat gstr gtaa gtbr gtta naaa naab naag naan naar naas naat naba nabs naga nags nan- nana nanb nang nann nans nant nara narg narn narr nars nart nas- nasa nasb nasr nass nast nata nats natt nbaa nbar nbas ngab ngan ngas ngns ngsn ngtn ngts nngn nnnn nnsa nnss nntn nrab nras nrna nrsa nrta nrts nsaa nsar nsna nsnr nsra nssa nssb nssr nsss nsts ntsb ntss nttr raab raag raan raas raat raba rabb rabs raga ragg rags rana rang rann rans rant rara rarb rars rasa rass rast rata rats ratt rbbb rbbr rbbs rbss rbst rgan rgba rgtr rgts rnag rnas rnbr rngs rnnt rras rrat rrna rrrr rsaa rsgb rsna rsnn rsnr rssa rsts rtan rtas rtgs rtns rtss rtts saab saag saan saar saas saat saba sabb sabr sabs saga sagg sags sagt sana sang sann sanr sans sant sara sarg sarn sarr sars sart sasa sass sast sata satb satg satn satr sats satt sbaa sbar sbas sbbs sbsa sbst sbtn sgaa sggg sggs sgss sgta sgts snab snag snar snas snat snba snns snra snrs sntr sras srgb srna srnn srta srtr ssaa ssab ssan ssas ssat ssbn ssbr ssgs ssgt ssns ssra ssrg ssrs sssa sssb ssss ssta sstb ssts stab stag stan star stas stat stbs stgr stng stnn stnr stns stra strn strs stss sttr taa- taag taan taar taas taat taba tabb tabs taga tagg tags tana tang tann tans tant tara tarb targ tarn tarr tars tart tasa tasb tasr tass tast tata tatb tatr tats tatt tbar tbas tbbs tbgs tbrb tbst tbta tgts tnag tngs tnts traa trab trag tran tras trat trna trng trra trst trtr tsaa tsar tsat tsgt tsna tssa tssg tssr tsst tsts ttab ttbb ttss tttt