-al a-a a-b a-t aaa aab aaf aal aas aat aau ab- aba abb abf abl abs abt abu af- afa afb aff afl afs aft afu al- ala alb alf all als alt alu as- asa asb asf asl ass ast asu at- ata atb atf atl ats att atu au- aua aub auf aul aus aut b-u baa bab baf bal bas bat bau bba bbb bbf bbl bbs bbt bbu bfa bfb bff bfl bfs bft bfu bla blb blf bll bls blt blu bsa bsb bsf bsl bss bst bsu bta btb btf btl bts btt btu bua bub buf bul bus but buu faa fab faf fal fas fat fau fba fbb fbf fbl fbs fbt fbu ffa fff ffl ffs fft ffu fla flb flf fll fls flt flu fsa fsb fsf fsl fss fst fsu fta ftb ftf ftl fts ftt ftu fua fub fuf ful fus fut fuu la- laa lab laf lal las lat lau lba lbb lbf lbl lbs lbt lbu lfa lfb lff lfl lfs lft lfu lla llb llf lll lls llt llu lsa lsb lsf lsl lss lst lsu lta ltb ltf ltl lts ltt ltu lua lub luf lul lus lut luu saa sab saf sal sas sat sau sba sbb sbf sbl sbs sbt sbu sfa sfb sff sfl sfs sft sfu sla slb slf sll sls slt slu ss- ssa ssb ssf ssl sss sst ssu sta stb stf stl sts stt stu sua sub suf sul sus sut suu taa tab taf tal tas tat tau tba tbb tbf tbl tbs tbt tbu tfa tfb tff tfl tfs tft tfu tla tlf tll tls tlt tlu tsa tsb tsf tsl tss tst tsu tta ttb ttf ttl tts ttt ttu tua tub tuf tul tus tut tuu ua- uaa uab uaf ual uas uat uau uba ubb ubf ubl ubs ubt ubu ufa uff ufl ufs uft ufu ula ulb ulf ull uls ult ulu usa usb usf usl uss ust usu uta utb utf utl uts utt utu uua uus uut uuu

a-fu aaaa aaab aaaf aaal aaas aaba aabb aabl aabt aafa aafb aaff aafl aala aall aals aalu aasa aasf aass aast aasu aata aatf aatt aaus abaa abab abaf abal abas abat abau abb- abba abbb abbs abbt abff abla abls abs- absa absf absl abss absu abta abts abtu abua abuf abul abus abut afaa afat afbs affa affs afft afla afsa afsb afst afta afts afua afus alaa alal alas alat alau alb- alba albs albu alfa alfs all- alla alll alls allu alsa alst alta alts alua aluf alus alut asaa asab asaf asal asas asat asau asba asbu asfa asla assa assl asss asst assu asta astb astl asts asub asus at-l at-t ataa atab atal atas atat atbs atfb atfs atla atls atsb atst atta atts attu atua atub atul atus auaa aufs aul- aula aulf aull auls ault aulu ausa aust ausu aut- auts baaa baaf baal baas baat baba babb babs babu baff baft bala balf ball bals balt balu basa basf bass bast basu bata batf bats batt batu bau- bauf baul bbas bbau bbbb bbbs bblb bbls bfas bffl bffs bfta bfts bftt blaa blab blas blat blau blbt blls blss blst blts blub bluf blus blut bsaa bsas bsat bsfa bsff bsfs bsts btaa btaf btla btss bttb btus bual buat buba bubb bubs bubu buff bula bulb bull buls bult bulu busa buss bust busu but- buta buts butt buus faaa faas faba fabs fabu fafa faff fala fall fals falt falu fasa fass fast fata fatf fats fatt faul faut fbla fbus ffff ffsa ffss fftf flab flat flts flub fluf flus fsas fssa fssf fsta ft-l ftlb ftsa ftub fuat fubb fubs fubu fuff fufu fula full fuls fulu fusa fuss fust fusu futa futs futu laaa laal laas laat laba labs labu lafb laff laft lala lall lalu lasa lass last lasu lata lats latt latu laub lauf laul laus laut lfat lfts llat llbs llll lsat lsbu lsla lssa lsts ltbf ltbl ltsa luas luau luba lubs luff luft lufu lula lull lulu lusa luss lust luta luts luua saab saaf saal saas saat saba sabb sabs sabu safa safb saff saft safu sala salf sall sals salt salu sasa sasf sasl sass sast sata satb satl sats satt satu saua sauf saul saus saut sbaa sbas sbbs sbsa sbst sbus sfas sfba sfla sfls sfss sfsu sfts slaa slab slaf slas slat slau slft slsa slst slsu slts slub slut ssaa ssab ssas ssat ssau ssfl ssla sslt sssa sssb sssf ssss ssta sstb sstl ssts stab stal stas stat stau stbs stfu stlt stsf stss stub stuf stul stus stut suas suat sub- suba subb subl subs suf- sufa suff sufs sufu sul- sula sulf sull sult sulu sus- susa suss sust susu suta sutu suus taa- taaf taal taas taat taba tabb tabl tabs tabu tafa taff taft tala tall tals talu tasa tasb tass tast tasu tata tatb tats tatt tatu taua taub taul taus taut tbaf tbas tbbs tbst tbta tfal tfss tsaa tsal tsat tsau tsfl tssa tssf tsst tsts ttab ttbb ttfa ttff ttss tttt ttul tual tuas tuat tuba tubb tubs tubu tufa tuff tuft tufu tula tull tulu tusa tuss tust tuta tutl tuts tutt tutu uafa uasa uata uatu uaua ubal ubba ubla ubls ubtf uffa ulaa ulas ulft ulla ulsa ulta ults ultt ulua ulul ulus us-a usaa usaf usal usas usat usba usbl usbs usfa usfl usfs uslu ussa ussb ussf usss usst ussu usta ustb usts usua usul usus utal utas utau utsa utsl uttu uulu uuta uutf uuuu

-aaa- aaaas aaasa aaass aaata aabaa aabba aabfs aafat aalfs aalst aatal abaab ababa ababs ababu abaft abala aball abasa abass abbas abbat abfab abffs absut abtaa abtaf abula abull abult abust abuta abuts abutt afall afast afful aflat afsal aftab afula