aaaa aaab aaad aaal aaas aaba aabb aabd aabl aabt aada aads aadt aala aald aall aals aasa aasd aass aast aata aatt abaa abab abad abal abas abat abb- abba abbb abbs abbt abda abla abls abs- absa absd absl abss abta abts adaa adab adad adal adas adat adba adda addd addl adds adls adsa adsl adss adst adta adts alaa alad alal alas alat alb- alba albs ald- alda aldl alds all- alla alll alls alsa alst alta alts asaa asab asad asal asas asat asba asda asdl asds asla assa assd assl asss asst asta astb astl asts at-l at-t ataa atab atad atal atas atat atbs atdt atla atls atsb atst atta atts baaa baad baal baas baat baba babb babs bada badb badd bads bala bald ball bals balt basa bass bast bata bats batt bbad bbas bbbb bbbs bbdd bblb bbls bdls bdsd blaa blab blad blas blat blbt blls blss blst blts bsaa bsas bsat bsbd bsdl bssd bsts btaa btdt btla btss bttb daab daad daal daas daba dabb dabs dabt dada dads dala dall dals dalt dasa dasb dasd dasl dass dast data dats datt dbas dbls dbsa dbss dbtt dddd ddss ddts dlab dlbd dlst dsba dsda dsls dssa dsst dsts dtaa dtla dtss laaa laad laal laas laat laba labs lada ladd lads lala lald lall lasa lasd lass last lata latd lats latt lbds ldls llat llbs lldb llds llll lsat lsds lsla lssa lsts ltbl ltds ltsa saab saad saal saas saat saba sabb sabs sada sadb sadd sadl sads sadt sala sald sall sals salt sasa sasd sasl sass sast sata satb satd satl sats satt sbaa sbas sbbs sbds sbsa sbsd sbst sdba sdds sdla sdls sdlt sdsl sdss slaa slab slad slas slat slds slsa slst slts ssaa ssab ssas ssat ssdd ssla sslt sssa sssb ssss ssta sstb sstd sstl ssts stab stad stal stas stat stbd stbs stds stld stlt stss sttd taa- taal taas taat taba tabb tabl tabs tada tads tala tall tals tasa tasb tass tast tata tatb tats tatt tbas tbbs tbst tbta tdal tddb tdls tdss tsaa tsal tsat tsbd tsdb tssa tsst tsts ttab ttbb ttss tttt