-al a-a a-b a-c a-t aaa aab aac aae aal aat aau aax ab- aba abb abc abe abl abt abu abx ac- aca acb acc ace acl act acu acx aea aeb aec aee ael aet aeu aex al- ala alb alc ale all alt alu alx at- ata atb atc ate atl att atu atx au- aua aub auc aue aul aut aux ax- axa axe axl axt axx b-u baa bab bac bae bal bat bau bax bba bbb bbc bbe bbl bbt bbu bbx bca bcb bcc bce bcl bct bcu bcx be- bea beb bec bee bel bet beu bex bla blb blc ble bll blt blu blx bta btb btc bte btl btt btu btx bua bub buc bue bul but buu bux bxb bxl bxx c-- caa cab cac cae cal cat cau cax cba cbb cbc cbe cbl cbt cbu cbx cca ccb ccc cce ccl cct ccu ccx ce- cea ceb cec cee cel cet ceu cex cl- cla clb clc cle cll clt clu clx cta ctb ctc cte ctl ctt ctu ctx cua cub cuc cue cul cut cuu cxc cxl cxt cxx eaa eab eac eae eal eat eau eax eba ebb ebc ebe ebl ebt ebu ebx ec- eca ecb ecc ece ecl ect ecu ecx eea eeb eec eee eel eet eex ela elb elc ele ell elt elu elx eta etb etc ete etl ett etu etx eu- eua eub euc eue eul eut eux ex- exa exc exe exl ext exu exx la- laa lab lac lae lal lat lau lax lba lbb lbc lbe lbl lbt lbu lbx lca lcb lcc lce lcl lct lcu lcx lea leb lec lee lel let leu lex lla llb llc lle lll llt llu lta ltb ltc lte ltl ltt ltu ltx lua lub luc lue lul lut luu lux lxc lxx t-x taa tab tac tae tal tat tau tax tba tbb tbc tbe tbl tbt tbu tca tcb tcc tce tcl tct tcu tcx te- tea teb tec tee tel tet teu tex tla tlc tle tll tlt tlu tlx tta ttb ttc tte ttl ttt ttu ttx tua tub tuc tue tul tut tuu tux txe txl txt txu ua- uaa uab uac uae ual uat uau uba ubb ubc ube ubl ubt ubu ubx uca ucb ucc uce ucl uct ucu uea ueb uec uee uel uet ula ulb ulc ule ull ult ulu uta utb utc ute utl utt utu utx uua uuc uue uut uuu uxb uxc uxt uxu xaa xac xal xat xau xbc xbe xbl xbx xcb xcl xcx xee xel xet xeu xex xla xlb xlt xtc xtx xue xul xxl xxx

a-be aaaa aaab aaac aaae aaal aaba aabb aabc aabl aabt aaca aacb aacc aace aacl aact aacu aaea aaec aala aalc aale aall aalu aata aatc aatt abaa abab abac abae abal abat abau abax abb- abba abbb abbe abbt abca abcb abcc abcl abct abec abee abel abet abla able abta abtu abua abue abul abut ac-t acaa acab acac acae acat acba acbl acca accc acce acct accu ace- acea acec acel acet acla aclc acle aclu acta actc acte actl actt actu acu- acue acul acut aeac aecb aecl aect aela aelc aeta aetc aett aetx alaa alac alae alal alat alau alb- alba albc albe albu alca alcc alce alea alec alee alet aleu alex all- alla alle alll allu alta alte altx alua alut alux alxa at-l at-t at-x ataa atab atac atae atal atat atax atca atcc atcl atea atec atee atel atex atla atle atta atte attu atua atub atuc atul auaa aube auca auce auct auel aul- aula aule aull ault aulu aut- aute auxa axal axat axce axel axle ba-x baaa baal baat baba babb babe babu bac- baca bacc bace bact bael bala balc bale ball balt balu bata batc bate batt batu bau- baul baux baxt bbau bbbb bbeb bbet bblb bcaa bcat bcbc bcca bccc bccl bcec bcet bctc bcuc beal beat beau beba bebb bebe beca becu beeb beel beet bela bele bell belt belu beta betc bete bett betu beux blaa blab blac blae blat blau blbt blcu blea bleb blee blet bleu blub blue blut btaa btcc btcl btcx btec btex btla bttb bual buat buba bubb bube bubu buca bucc buce bucu buea buel bueu bula bulb bule bull bult bulu but- buta bute butt buxa caaa caab caac caal caat caba cabe cabu cac- caca cacc cace caec caeu caex cala calc cale call calt calu calx cat- cata catb catc cate catt catu cauc caul caut caux caxa cbac cbal cbat cbax cbbc cbca cbcc cbce cbcl cbct cbcu cbea cbec cbee cbet cblb cblc cbta cbtc cbtl cbux cbxa ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccl cccu ccee ccel ccla cclc cclx cctb cctc cctl cctt ccuc ccut ccxl ceac ceal ceat ceba cebu cec- ceca cece cect ceeb ceec ceel cel- cela celc cele cell celt cet- ceta cete ceux cexe clab clat clau clea clec clee clet cleu cltb cltc club clue clut clux clxx ctab ctae ctal ctba ctca ctec ctle ctta cuau cub- cuba cubb cube cuca cucc cuce cula culb culc cule cull cult cut- cuta cutc cute cutt cxxx e-cl e-la eaba eaca eacc eaec eala ealc eale eata eate eaux eaxl ebac ebal ebba ebbc ebcc ebel ebla ebul ecaa ecac ecal ecat ecbc ecbe ecca eccb eccc ecce eccl ecct ecla eclt ect- ecta ectc ecua eeca eeea eeee eele eeta eetc eete eetu eext el-b elab elac elal elat elba elbe elbu elca elcb elce elea elec elee elet elex ella elle ellu elta elte elue elul etal etat etbc etcc etec etee etel etla etta ette ettu etua etux euba eubc eula eule exa- excl exec exel exta exte extl exul laaa laac laal laat laax laba labe labu laca lacc lace