-al a-a a-b a-c aaa aab aac aaf aag aak aal ab- aba abb abc abf abg abk abl ac- aca acb acc acf acg ack acl af- afa afb afc aff afg afk afl ag- aga agb agc agf agg agk agl aka akb akc akg akk akl al- ala alb alc alf alg alk all baa bab bac baf bag bak bal bba bbb bbc bbf bbg bbk bbl bca bcb bcc bcf bcg bck bcl bfa bfb bfc bff bfg bfl bga bgb bgc bgf bgg bgk bgl bka bkb bkc bkf bkg bkk bkl bla blb blc blf blg blk bll c-- caa cab cac caf cag cak cal cba cbb cbc cbf cbg cbk cbl cca ccb ccc ccf ccg cck ccl cfa cfb cfc cff cfg cfk cfl cga cgb cgc cgg cgl cka ckb ckc cl- cla clb clc clf clg clk cll faa fab fac faf fag fak fal fba fbb fbc fbf fbg fbk fbl fca fcb fcc fcf fcg fck fcl ffa ffc fff ffg ffk ffl fga fgb fgc fgf fgg fgl fka fkb fkc fkf fkg fkk fkl fla flb flc flf flg fll gaa gab gac gaf gag gak gal gba gbc gbf gbg gbk gbl gca gcb gcc gcf gcg gck gcl gfa gfb gfc gff gfk gfl gga ggb ggc ggg gka gkb gla glb glc glf glg glk gll ka- kaa kab kac kaf kag kak kal kba kbb kbc kbf kbk kbl kca kcb kcc kcg kck kcl kfa kfc kff kfg kga kgb kgc kgf kgl kkb kkc kkk kkl kl- kla klb klc klf klg la- laa lab lac laf lag lak lal lba lbb lbc lbf lbg lbk lbl lca lcb lcc lcf lcg lck lcl lfa lfb lfc lff lfg lfk lfl lga lgb lgc lgf lgg lgk lgl lka lkb lkg lkl lla llb llc llf llg llk lll

a-ak aaaa aaab aaac aaaf aaal aaba aabb aabc aabl aaca aacb aacc aacf aack aacl aafa aafb aafc aaff aafl aaka aala aalc aall abaa abab abac abaf abag abak abal abb- abba abbb abca abcb abcc abcf abcl abff abgl abla acaa acab acac acag acba acbl acca accc accf acfc acfl acga acla aclc afaa afak afca afcb afcc affa affc afgf afka afla aflc aflg agac agag agal agba agca agcc agfa agga agla aglc akaa akal akca akka alaa alac alag alak alal alb- alba albc alca alcc alfa alg- alga alk- alka alkb all- alla alll baaa baaf baak baal baba babb bac- baca bacc back bafc baff baga bagg bak- baka bakl bala balc balf balk ball bbbb bbfc bbga bblb bcaa bcbc bcbg bcca bccc bccl bcfc bfca bffl bfgf bgca bgfc blaa blab blac blag blak blfc blkb caaa caab caac caaf caal caba cabf cabg cac- caca cacc cack cafa cafb cafc caff cafl caga cagg caka cala calc calf calk call cbac cbal cbbc cbca cbcc cbcl cbfb cbfc cbga cbgb cbka cbkg cbkl cblb cblc ccaa ccab ccac ccaf ccag ccba ccbc ccca cccb cccc cccf cccl ccfa ccfc ccff ccfl ccga ccgc ccla cclc cclg cfaa cfab cfac cfbc cfca cfcb cfcf cfcl cffb cgac cgal cgcc cgcg cgfc ckac ckbc ckck ckcl ckga ckgl cklf cklg clab claf clag clkg f--k faaa faac faba faca facc fack fafa fafc faff fafg fagg fala falc falk fall fbla fcab fcal fcba fcca fccf ffcc ffff fkab flab flac flag flak flcl gaal gaba gabb gabl gack gafa gafb gafc gaff gaga gagg gala galk gall gbag gbfc gc-c gcaa gcal gcbc gccc gccf gcfc gclc gfcf gffa ggcl ggfg gggg glaa glab glak glbc glcc glfc kaaa kaab kaaf kaag kaak kaal kaba kabb kabc kabf kabg kacb kacc kacl kafa kafc kaff kag- kaga kagb kagc kagg kagl kaka kakc kakk kala kalb kalc kalf kalk kall kbaa kbab kbac kbak kbal kbba kbbb kbbc kbbf kbbg kbbk kbbl kbca kbcb kbck kbcl kbfb kbfc kbff kbfk kbfl kbga kbgb kbgg kbgl kbkb kbkf kbkg kbkk kbkl kbla kblb kblf kblg kbll kcaa kcab kcac kcal kcba kcbc kcbf kcbk kcbl kcca kccb kccc kcck kccl kcfa kcfb kcfc kcfg kcfl kcgc kcgf kcgl kckc kckf kckk kckl kcla kclc kclf kclk kcll kfab kfac kfal kfbc kfbk kfcf kffa kffb kfff kffg kffk kfka kfkb kfla kflb kflc kflf kflg kfll kgab kgac kgaf kgak kgal kgba kgbb kgbc kgcb kgcc kgcl kgfa kgff kgfk kgfl kgga kggf kggg kggl kgkl kgla kglb kglk kkaa kkac kkag kkal kkba kkbb kkbg kkbl kkcb kkck kkcl kkfg kkgb kkgl kkkk kklb kklc kklf kkll klaa klab klac klaf klag klak klal klbb klbc klbf klbl klca klcb klcc klck klcl klfa klfc klff klfg klga klgb klgl klka klkc klkk klkl klla kllb kllc kllk laaa laac laag laak laal laba laca lacc lack lacl lafb lafc laff lag- laga lagg laka lala lall lbcc lcac lcbc lcca lccc lcfc lcfg lfca lfcc lgca lgfl lkab lkal llcc llgc lllc llll

-aaa- aabaa aabba aabga aacbc abaab ababa abaca aback abaga abaka abala aball abbac abccc abfab abgal ablak acaca acacb acack acala acalf acall acccg aclla afall aflac agafa aggag aglal akaba akala alaba alaca alack alaka alala albac albal algal alka- allaf allal baalc babak babka bacab bacca back- backa backf baffa bagac bagag bagal bagga bagla bakal bakka bakla balac balag balak balal balca balck balga balka balla bball bflag blaca blacc black blaff blaga blagg c-a-c ca-ca caaba cabal cacak caffa cagla calaf calc- calca calfa calgb calla callb ccccc clack clacl clcff fa-la faala fabal fagal falak falck falfa falga fall- falla fcaca fccla flaca flacc flack flaff flagg flakk ga-ga gaala gabal gabba gacka gaffa gafla gagal gala- galaa galag galba galga gall- galla ggaba glack glaga kaaba kaaga kaala kabaa kabab kabak kabal kabba kafak kafal kaffa kafka kagaa kagal kakka kalaa kalab kalac kalba kalca kalfa kalff