-al a-a a-b a-c a-t aaa aab aac aaf aal aat aau ab- aba abb abc abf abl abt abu ac- aca acb acc acf acl act acu af- afa afb afc aff afl aft afu al- ala alb alc alf all alt alu at- ata atb atc atf atl att atu au- aua aub auc auf aul aut b-u baa bab bac baf bal bat bau bba bbb bbc bbf bbl bbt bbu bca bcb bcc bcf bcl bct bcu bfa bfb bfc bff bfl bft bfu bla blb blc blf bll blt blu bta btb btc btf btl btt btu bua bub buc buf bul but buu c-- caa cab cac caf cal cat cau cba cbb cbc cbf cbl cbt cbu cca ccb ccc ccf ccl cct ccu cfa cfb cfc cff cfl cft cfu cl- cla clb clc clf cll clt clu cta ctb ctc ctf ctl ctt ctu cua cub cuc cuf cul cut cuu faa fab fac faf fal fat fau fba fbb fbc fbf fbl fbt fbu fca fcb fcc fcf fcl fct fcu ffa ffc fff ffl fft ffu fla flb flc flf fll flt flu fta ftb ftc ftf ftl ftt ftu fua fub fuf ful fut fuu la- laa lab lac laf lal lat lau lba lbb lbc lbf lbl lbt lbu lca lcb lcc lcf lcl lct lcu lfa lfb lfc lff lfl lft lfu lla llb llc llf lll llt llu lta ltb ltc ltf ltl ltt ltu lua lub luc luf lul lut luu taa tab tac taf tal tat tau tba tbb tbc tbf tbl tbt tbu tca tcb tcc tcf tcl tct tcu tfa tfb tfc tff tfl tft tfu tla tlc tlf tll tlt tlu tta ttb ttc ttf ttl ttt ttu tua tub tuc tuf tul tut tuu ua- uaa uab uac uaf ual uat uau uba ubb ubc ubf ubl ubt ubu uca ucb ucc ucf ucl uct ucu ufa ufc uff ufl uft ufu ula ulb ulc ulf ull ult ulu uta utb utc utf utl utt utu uua uuc uut uuu

a-fu aaaa aaab aaac aaaf aaal aaba aabb aabc aabl aabt aaca aacb aacc aacf aacl aact aacu aafa aafb aafc aaff aafl aala aalc aall aalu aata aatc aatf aatt abaa abab abac abaf abal abat abau abb- abba abbb abbt abca abcb abcc abcf abcl abct abff abla abta abtu abua abuf abul abut ac-t acaa acab acac acat acba acbl acca accc accf acct accu acfc acfl acft acla aclc aclu acta actc actf actl actt actu acu- acuf acul acut afaa afat afca afcb afcc afcu affa affc afft afla aflc afta aftc afua alaa alac alal alat alau alb- alba albc albu alca alcc alfa all- alla alll allu alta alua aluf alut at-l at-t ataa atab atac atal atat atca atcc atcf atcl atfb atfc atla atta attu atua atub atuc atul auaa auca auct aufc aul- aula aulf aull ault aulu aut- baaa baaf baal baat baba babb babu bac- baca bacc bact bafc baff baft bala balc balf ball balt balu bata batc batf batt batu bau- bauf baul bbau bbbb bbfc bblb bcaa bcat bcbc bcca bccc bccl bcfc bctc bcuc bfca bffl bfta bftt blaa blab blac blat blau blbt blcu blfc blub bluf blut btaa btaf btcc btcl btfc btla bttb bual buat buba bubb bubu buca bucc bucu bufc buff bula bulb bull bult bulu but- buta butt caaa caab caac caaf caal caat caba cabf cabu cac- caca cacc cafa cafb cafc caff cafl cafu cala calc calf call calt calu cat- cata catb catc catf catt catu cauc cauf caul caut cbac cbal cbat cbbc cbca cbcc cbcl cbct cbcu cbfb cbfc cblb cblc cbta cbtc cbtf cbtl ccaa ccab ccac ccaf ccat ccba ccbc ccca cccb cccc cccf cccl cccu ccfa ccfc ccff ccfl ccla cclc cctb cctc cctl cctt ccuc ccut cfaa cfab cfac cfbc cfbt cfca cfcb cfcf cfcl cffb cfta cftc cftl clab claf clat clau cltb cltc club clut ctab ctal ctba ctca ctcf ctfc ctta cuau cub- cuba cubb cuca cucc cufa cufc cuff cula culb culc cull cult cut- cuta cutc cutt faaa faac faba fabu faca facc fact fafa fafc faff fala falc fall falt falu fata fatc fatf fatt faul faut fbla fcab fcal fcat fcba fcca fccf ffcc ffff fftf flab flac flat flcl flub fluf ft-c ft-l ftfc ftlb ftub ftuc fuat fubb fubu fuc- fuca fuct fufc fuff fufu fula full fulu futa futu laaa laac laal laat laba labu laca lacc lacl lact lacu lafb lafc laff laft lala lall lalu lata latc latt latu laub lauf laul laut lbcc lcac lcat lcbc lcca lccc lcfc lctl lfat lfca lfcc llat llcc lllc llll ltac ltbf ltbl ltcc ltfc lttc ltuc luau luba luca luff luft lufu lula lull lulu luta luua taa- taaf taal taat taba tabb tabc tabl tabu taca tacc tacl tact tafa tafc taff taft tala talc tall talu tata tatb tatt tatu taua taub tauc taul taut tbaf tbca tbcb tbcc tbta tcca tccc tccu tcfc tctc tcul tfal tfca tfcu tftc tlac ttab ttbb ttfa ttfc ttff tttt ttul tual tuat tuba tubb tubu tuca tucc tufa tufc tuff tuft tufu tula tull tulu tuta tutl tutt tutu uabc uaca uafa uata uatu uaua ubac ubal ubba ubla ubtf ucal ucat ucbc ucca ucfa ucfb ucla ucua ucut ufcu uffa ulaa ulbc ulcc ulft ulla ulta ultt ulua ulul utac utal utau uttu uulu uuta uutf uuuu

-aaa- aaata aabaa aabba aacbc aacft aafat aatal abaab ababa ababu abaca abaft abala aball abbac abbat abccc abfab abtaa abtaf abula abull abult abuta abutt acaca acacb acala acalf acall acaua accub aclla aclub actua acuba acuff acula acuta afact afall afful aflac aflat aftab afula afull alaba alaca alala alalu alata albac albal albul alctt alfta allaf allal allat alluc alt-a alula alull aluta atabu atafc atafu