-al -er a-a a-c a-t aaa aac aae aal aar aat aax ac- aca acc ace acl acr act acx aea aec aee ael aer aet aex al- ala alc ale all alr alt alx ar- ara arc are arl arr art arx at- ata atc ate atl atr att atx ax- axa axe axl axr axt axx c-- caa cac cae cal car cat cax cca ccc cce ccl ccr cct ccx ce- cea cec cee cel cer cet cex cl- cla clc cle cll clr clt clx cra crc cre crl crr crt crx cta ctc cte ctl ctr ctt ctx cxc cxl cxr cxt cxx eaa eac eae eal ear eat eax ec- eca ecc ece ecl ecr ect ecx eea eec eee eel eer eet eex ela elc ele ell elr elt elx era erc ere erl err ert eta etc ete etl etr ett etx ex- exa exc exe exl exr ext exx la- laa lac lae lal lar lat lax lca lcc lce lcl lcr lct lcx lea lec lee lel ler let lex lla llc lle lll llr llt lra lrc lrr lrt lta ltc lte ltl ltr ltt ltx lxc lxr lxx ra- raa rac rae ral rar rat rax rca rcc rce rcl rcr rct rcx re- rea rec ree rel rer ret rex rla rlc rle rll rlr rlt rra rrc rrl rrr rrt rta rtc rte rtl rtr rtt rtx rxr t-x taa tac tae tal tar tat tax tca tcc tce tcl tcr tct tcx te- tea tec tee tel ter tet tex tla tlc tle tll tlr tlt tlx tra trc tre trl trr trt trx tta ttc tte ttl ttr ttt ttx txe txl txt xaa xac xal xar xat xcl xcr xcx xee xel xer xet xex xla xlr xlt xrc xrt xrx xtc xtr xtx xxl xxx

aaaa aaac aaae aaal aaar aaca aacc aace aacl aacr aact aaea aaec aala aalc aale aall aara aarc aare aart aata aatc aatt ac-t acaa acac acae acar acat acca accc acce acct ace- acea acec acel acer acet acla aclc acle aclr acr- acra acrc acre acrr acta actc acte actl actt aeac aecl aect aeer aela aelc aer- aera aerc aeta aetc aetr aett aetx alaa alac alae alal alar alat alca alcc alce alea alec alee aler alet alex all- alla alle alll allr alta alte altx alxa arac arae aral arar arat arax arc- arca arce arct area arec aree arel aret arex arla arle arr- arra arrc arre arrr arrt arta artc arte artr artx at-l at-t at-x ataa atac atae atal atar atat atax atca atcc atcl atcr atea atec atee atel ater atex atla atle atra atrc atre atrx atta atte attr axal axar axat axce axel axer axle caaa caac caal caat cac- caca cacc cace cacr caec caer caex cala calc cale call calt calx cara carc care carl carr cart carx cat- cata catc cate catt caxa ccaa ccac ccar ccat ccca cccc cccl ccee ccel ccla cclc cclx ccra ccrc ccre ccrl ccrt cctc cctl cctt ccxl ceac ceal cear ceat cec- ceca cece cect ceec ceel cel- cela celc cele cell celt cer- cera cerc cere cerl cert cet- ceta cete cexe clar clat clea clec clee cler clet clra cltc clxx crac crar crat crax crca crcc crce crcr cre- crea crec cree cret crex crrt crtc crtl ctae ctal ctca ctec ctle ctrc ctrl ctta cxxx e-cl e-la eaca eacc eaec eala ealc eale eara eare earl eart eata eate eaxl ecaa ecac ecal ecar ecat ecca eccc ecce eccl ecct ecla eclt ecra ecrc ecrl ecrr ect- ecta ectc eeca eeea eeee eele eera eerc eeta eetc eete eext elac elal elar elat elca elce elea elec elee eler elet elex ella elle elra elta elte er-x eral erat erca ercc erce erec erel erer eret erla erle erll erra errc erre erta ertl etal etat etcc etec etee etel eter etla etra etre etta ette exa- excl exec exel exer exrx exta exte extl extr laaa laac laal laar laat laax laca lacc lace lacl lact lael laer laet lala lale lall lara larc lare larr lart lata latc late latt laxa laxe lcac lcat lcca lccc lcce lcer lcra lcrl lctl leaa leal lear leat leca lece lect leea leel leer leet lela lele lell lera lerc lere lert leta lete lett lexa lext lexx llat llcc llet lllc llll lrac lral lrat lrrc lrrr lrta ltac ltae ltcc ltee ltra lttc lttr lxra lxxx raat rac- raca racc race ract raec rael raer rala rale rall ralt rara rare rata rate ratt raxa rcac rccc rcet rcle rctc rea- reac reae real rear reat reca recc rece recr rect reel reet rela rele rell relt rera rere rert reta rete retr rett rexx rlee rrat rrle rrrr rtca rtcc rtce rtee rtex rtle rtlt taa- taal taar taat taca tacc tace tacl tact taec tael taer tala talc tale tall talx tara tarc tare tarr tart tata tate tatr tatt tax- taxa taxe taxt tcca tccc tclx tctc teac teal tear teat teca tecl tecr tect teec teel teer teet tel- tela telc tele tell telt ter- tera terc tere terr teta tete tetr tett tetx texa text tlac tltx traa trac trae tral trat trax trca trcc trcl tre- trea trec tree tret trex trra trtc trte trtr tter tttt txaa txtr xaar xace xacl xact xala xall xara xare xate xcal xcat xcel xeer xela xer- xera xert xexe xlet xtal xtar xtea xtra xxxx

-aaa- -tree a-l-x a-lee a-lex aaace aaaee aaarc aaata aacte aatal aatxe acaca acala acale acall acar- acara acare acate accel accra aceae acela acele acell acera acet- aceta aclla acral acrea acree act-r actar actel acter actra aeaea aella aelle aeral aetat aeter aetla alaca alace alala alara alare alata alate alcae alcea alcee alcra alctt aleae alear aleax alele