-ana aaaa aaab aaad aaan aaas aaba aabb aabd aabt aada aads aadt aana aand aasa aasd aass aast aata aatt abaa abab abad aban abas abat abb- abba abbb abbs abbt abda abs- absa absd abss abta abts adaa adab adad adan adas adat adba adda addd addn adds adna adns adsa adss adst adta adts ana- anaa anab anad anan anas anat anba anbb and- anda ands andt anna annb anns annt ansa ansd ant- anta ants antt asaa asab asad asan asas asat asba asda asds assa assd assn asss asst asta astb asts at-t ataa atab atad atan atas atat atbs atdt atna atns atsb atst atta attn atts baaa baad baan baas baat baba babb babs bada badb badd bads bana band bann bans bant basa bass bast bata batn bats batt bbad bbas bbbb bbbs bbdd bdna bdsd bnas bnss bnta bsaa bsas bsat bsbd bsnd bsns bssd bsts btaa btan btdt btss bttb d-na daab daad daan daas daba dabb dabs dabt dada dads dana dand dann dans dant dasa dasb dasd dass dast data dats datt dbas dbsa dbss dbtt dddd ddss ddts dnaa dnab dnad dnan dnas dnat dnsa dntt dsba dsda dssa dssn dsst dstn dsts dtaa dtna dtnb dtss naaa naab naad naan naas naat naba nabs nada nads nan- nana nanb nand nann nans nant nas- nasa nasb nasd nass nast nata nats natt nbaa nbad nbas ndaa ndas nddb ndna ndnt ndss nndb nnnn nnsa nnss nntn nsaa nsds nsdt nsna nssa nssb nsss nstd nsts ntds ntnd ntsb ntss saab saad saan saas saat saba sabb sabs sada sadb sadd sads sadt sana sand sann sans sant sasa sasd sass sast sata satb satd satn sats satt sbaa sbas sbbs sbds sbsa sbsd sbst sbtn sdba sdds sdna sdss snab snad snas snat snba snda snns snsd ssaa ssab ssan ssas ssat ssbn ssdd ssns sssa sssb ssss ssta sstb sstd ssts stab stad stan stas stat stbd stbs stds stnd stnn stns stss sttd taa- taan taas taat taba tabb tabs tada tads tana tand tann tans tant tasa tasb tass tast tata tatb tats tatt tbas tbbs tbst tbta tddb tdna tdss tndd tnts tsaa tsat tsbd tsdb tsna tssa tsst tsts ttab ttbb ttss tttt