a-a a-b a-t aaa aab aaf aag aas aat aau ab- aba abb abf abg abs abt abu af- afa afb aff afg afs aft afu ag- aga agb agf agg ags agt agu as- asa asb asf asg ass ast asu at- ata atb atf atg ats att atu au- aua aub auf aug aus aut b-u baa bab baf bag bas bat bau bba bbb bbf bbg bbs bbt bbu bfa bfb bff bfg bfs bft bfu bga bgb bgf bgg bgs bgt bgu bsa bsb bsf bsg bss bst bsu bta btb btf btg bts btt btu bua bub buf bug bus but buu faa fab faf fag fas fat fau fba fbb fbf fbg fbs fbt fbu ffa fff ffg ffs fft ffu fga fgb fgf fgg fgs fgt fsa fsb fsf fsg fss fst fsu fta ftb ftf ftg fts ftt ftu fua fub fuf fug fus fut fuu gaa gab gaf gag gas gat gau gba gbf gbg gbs gbt gbu gfa gfb gff gfs gft gga ggb ggg ggs ggt ggu gsa gsb gsf gsg gss gst gsu gta gtb gtf gtg gts gtt gtu gu- gua gub guf gug gus gut guu saa sab saf sag sas sat sau sba sbb sbf sbg sbs sbt sbu sfa sfb sff sfg sfs sft sfu sga sgb sgf sgg sgs sgt sgu ss- ssa ssb ssf ssg sss sst ssu sta stb stf stg sts stt stu sua sub suf sug sus sut suu taa tab taf tag tas tat tau tba tbb tbf tbg tbs tbt tbu tfa tfb tff tfg tfs tft tfu tga tgb tgf tgg tgs tgt tgu tsa tsb tsf tsg tss tst tsu tta ttb ttf ttg tts ttt ttu tua tub tuf tug tus tut tuu ua- uaa uab uaf uag uas uat uau uba ubb ubf ubg ubs ubt ubu ufa uff ufg ufs uft ufu uga ugb ugf ugg ugs ugt ugu usa usb usf usg uss ust usu uta utb utf uts utt utu uua uug uus uut uuu

a-fu aaaa aaab aaaf aaas aaba aabb aabt aafa aafb aaff aasa aasf aass aast aasu aata aatf aatt aaus abaa abab abaf abag abas abat abau abb- abba abbb abbs abbt abff abs- absa absf abss absu abta abts abtu abua abuf abug abus abut afaa afat afbs affa affs afft afgf afsa afsb afst afta afts afua afus agag agas agat agau agba agfa agga aggu agsa agsg agst agsu agta agts agua agus agut asaa asab asaf asag asas asat asau asba asbu asfa asgt assa asss asst assu asta astb asts asub asus at-t ataa atab atas atat atbs atfb atfs atsb atst atta atts attu atua atub atug atus auaa aufs auga augs ausa aust ausu aut- auts auug baaa baaf baas baat baba babb babs babu baff baft baga bagg bags bagt basa basf bass bast basu bata batf bats batt batu bau- bauf baug bbas bbau bbbb bbbs bbga bfas bffs bfgf bfta bfts bftt bggs bgst bsaa bsas bsat bsfa bsff bsfs bsgs bsts btaa btaf btss bttb btus buat buba bubb bubs bubu buff buga bugg bugs busa buss bust busu but- buta buts butt buus faaa faas faba fabs fabu fafa faff fafg fagg fags fagu fasa fass fast fata fatf fats fatt faut fbus ffff ffsa ffss fftf fgts fsas fsgs fssa fssf fsta ftsa ftub fuat fubb fubs fubu fuff fufu fuga fugs fugu fusa fuss fust fusu futa futs futu gaas gaba gabb gabs gabt gabu gafa gafb gaff gaft gaga gagg gags gagu gasa gasb gass gast gata gats gatt gaua gaub gaus gaut gbag gbas gbbs gffa ggbt ggfg gggg ggss gsab gsat gtaa gtta guaa guag guat guba gubb gubs gubu gufa guff guga gugb gugg gugu gusa gusb guss gust guta guts gutt gutu guus saab saaf saag saas saat saba sabb sabs sabu safa safb saff saft safu saga sagg sags sagt sagu sasa sasf sass sast sata satb satg sats satt satu saua sauf saus saut sbaa sbas sbbs sbsa sbst sbus sfas sfba sfss sfsu sfts sgaa sgau sggg sggs sgss sgta sgts ssaa ssab ssas ssat ssau ssgs ssgt sssa sssb sssf ssss ssta sstb ssts stab stag stas stat stau stbs stfu stsf stss stub stuf stug stus stut suas suat sub- suba subb subg subs suf- sufa suff sufs sufu sug- suga sugg sus- susa suss sust susu suta sutu suus taa- taaf taag taas taat taba tabb tabs tabu tafa taff taft taga tagg tags tagu tasa tasb tass tast tasu tata tatb tats tatt tatu taua taub taus taut tbaf tbas tbbs tbgs tbst tbta tfss tgfa tgts tsaa tsat tsau tsgt tssa tssf tssg tsst tsts ttab ttbb ttfa ttff ttss tttt tuas tuat tuba tubb tubs tubu tufa tuff tuft tufu tuga tugg tugs tugu tusa tuss tust tuta tuts tutt tutu uafa uasa uata uatu uaua ubba ubtf ufag uffa ugab uggs uggt ugta uguu us-a usaa usaf usag usas usat usba usbs usfa usfs usga ussa ussb ussf usss usst ussu usta ustb usts usua usus utas utau utsa uttu utug uuta uutf uuuu

-aaa- aaaas aaasa aaass aaata aabaa aabba aabfs aabga aafat abaab ababa ababs ababu abaft abaga abasa abass abbas abbat abfab abffs absut abtaa abtaf abust abuta abuts abutt afast aftab afuss agafa agast agata agats agatu aggag aggat agtas aguas agust aguts asaba asafa asaga asasa asats asaut asfag asfat asgat assab assaf assas assat assts astab astaf astas astat asubs atabu atafu atasu atats atbat attas attus atusa auass aubas augst aussa austa baata babas babau babbs babus babut bafat baffa baffs bafta bafts bafut bagag bagas bagga baggs bagua basab bassa bassu basta basts bastu basut batab batas batat batau batsa batsu batta batts battu batus bauta bbuss bfast bsaba bstfa btstu buats bubas bubba buffa buffs bugab bugat bugga busaa bussa bussu busta busts busua busut busuu butat