-al a-a a-b a-c a-t aaa aab aac aae aal aat aax ab- aba abb abc abe abl abt abx ac- aca acb acc ace acl act acx aea aeb aec aee ael aet aex al- ala alb alc ale all alt alx at- ata atb atc ate atl att atx ax- axa axe axl axt axx baa bab bac bae bal bat bax bba bbb bbc bbe bbl bbt bbx bca bcb bcc bce bcl bct bcx be- bea beb bec bee bel bet bex bla blb blc ble bll blt blx bta btb btc bte btl btt btx bxb bxl bxx c-- caa cab cac cae cal cat cax cba cbb cbc cbe cbl cbt cbx cca ccb ccc cce ccl cct ccx ce- cea ceb cec cee cel cet cex cl- cla clb clc cle cll clt clx cta ctb ctc cte ctl ctt ctx cxc cxl cxt cxx eaa eab eac eae eal eat eax eba ebb ebc ebe ebl ebt ebx ec- eca ecb ecc ece ecl ect ecx eea eeb eec eee eel eet eex ela elb elc ele ell elt elx eta etb etc ete etl ett etx ex- exa exc exe exl ext exx la- laa lab lac lae lal lat lax lba lbb lbc lbe lbl lbt lbx lca lcb lcc lce lcl lct lcx lea leb lec lee lel let lex lla llb llc lle lll llt lta ltb ltc lte ltl ltt ltx lxc lxx t-x taa tab tac tae tal tat tax tba tbb tbc tbe tbl tbt tca tcb tcc tce tcl tct tcx te- tea teb tec tee tel tet tex tla tlc tle tll tlt tlx tta ttb ttc tte ttl ttt ttx txe txl txt xaa xac xal xat xbc xbe xbl xbx xcb xcl xcx xee xel xet xex xla xlb xlt xtc xtx xxl xxx

a-be aaaa aaab aaac aaae aaal aaba aabb aabc aabl aabt aaca aacb aacc aace aacl aact aaea aaec aala aalc aale aall aata aatc aatt abaa abab abac abae abal abat abax abb- abba abbb abbe abbt abca abcb abcc abcl abct abec abee abel abet abla able abta ac-t acaa acab acac acae acat acba acbl acca accc acce acct ace- acea acec acel acet acla aclc acle acta actc acte actl actt aeac aecb aecl aect aela aelc aeta aetc aett aetx alaa alac alae alal alat alb- alba albc albe alca alcc alce alea alec alee alet alex all- alla alle alll alta alte altx 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 axal axat axce axel axle ba-x baaa baal baat baba babb babe bac- baca bacc bace bact bael bala balc bale ball balt bata batc bate batt baxt bbbb bbeb bbet bblb bcaa bcat bcbc bcca bccc bccl bcec bcet bctc beal beat beba bebb bebe beca beeb beel beet bela bele bell belt beta betc bete bett blaa blab blac blae blat blbt blea bleb blee blet btaa btcc btcl btcx btec btex btla bttb caaa caab caac caal caat caba cabe cac- caca cacc cace caec caex cala calc cale call calt calx cat- cata catb catc cate catt caxa cbac cbal cbat cbax cbbc cbca cbcc cbce cbcl cbct cbea cbec cbee cbet cblb cblc cbta cbtc cbtl cbxa ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccl ccee ccel ccla cclc cclx cctb cctc cctl cctt ccxl ceac ceal ceat ceba cec- ceca cece cect ceeb ceec ceel cel- cela celc cele cell celt cet- ceta cete cexe clab clat clea clec clee clet cltb cltc clxx ctab ctae ctal ctba ctca ctec ctle ctta cxxx e-cl e-la eaba eaca eacc eaec eala ealc eale eata eate eaxl ebac ebal ebba ebbc ebcc ebel ebla ecaa ecac ecal ecat ecbc ecbe ecca eccb eccc ecce eccl ecct ecla eclt ect- ecta ectc eeca eeea eeee eele eeta eetc eete eext el-b elab elac elal elat elba elbe elca elcb elce elea elec elee elet elex ella elle elta elte etal etat etbc etcc etec etee etel etla etta ette exa- excl exec exel exta exte extl laaa laac laal laat laax laba labe laca lacc lace lacl lact lael laet lala lale lall lata latc late latt laxa laxe lbcc lcac lcat lcbc lcca lccc lcce lctl leaa leal leat leba leca lece lect leea leel leet lela lele lell leta lete lett lexa lext lexx llat llcc llet lllc llll ltac ltae ltbl ltcc ltee lttc lxxx taa- taal taat taba tabb tabc tabe tabl taca tacc tace tacl tact taec tael tala talc tale tall talx tata tatb tate tatt tax- taxa taxe taxt tbca tbcb tbcc tbce tbta tcca tccc tclx tctc teac teal teat teba teca tecl tect teec teel teet tel- tela telc tele tell telt teta tete tett tetx texa text tlac tltx ttab ttbb tttt txaa xace xacl xact xala xall xate xbee xbel xcal xcat xcbl xcel xela xexe xlet xtal xtea xxxx

-aaa- a-l-x a-lee a-lex aaace aaaee aaata aabaa aabba aabel aacbc aacte aatal aatxe abaab ababa ababe abaca abala abale aball abate abbac abbat abbet abccc abeal abeat abeba abebe abece abeel abeet abela abele abell ablet abtaa acaca acacb acala acale acall acate accel aceae acela acele acell acet- aceta aclla actel aeaea aebbe aella aelle aetat aetla alaba alaca alace alala alata alate albac albal albee alcae alcea alcee alctt aleae aleax alele aleta alete alexa alexe allal allat allbe allee allel allex alt-a altea altec altel altex atala atale atall ataxx atbat ateat ateca atel- atell atete atlee atlet attal attea attex attla attle axact axcel axtel ba-le baabe baalc baata baate babax babec babee babel bable bacab bacax bacca bacea bacta balac balae balal balat balca balea balec balet balla balle ballt balta balte batab batac batat batea batle batta batte bball bbbee bccat bcell