-er a-a a-c a-t aaa aac aae aam aar aat aax ac- aca acc ace acm acr act acx aea aec aee aem aer aet aex ama amc ame amm amr amt amx ar- ara arc are arm arr art arx at- ata atc ate atm atr att atx ax- axa axe axm axr axt axx c-- caa cac cae cam car cat cax cca ccc cce ccm ccr cct ccx ce- cea cec cee cem cer cet cex cma cmc cme cmm cmr cmt cmx cra crc cre crm crr crt crx cta ctc cte ctm ctr ctt ctx cxc cxr cxt cxx eaa eac eae eam ear eat eax ec- eca ecc ece ecm ecr ect ecx eea eec eee eem eer eet eex em- ema emc eme emm emr emt emx era erc ere erm err ert eta etc ete etm etr ett etx ex- exa exc exe exr ext exx m-r maa mac mae mam mar mat max mc- mca mcc mce mcm mcr mct mcx mea mec mee mem mer met mex mma mmc mme mmm mmr mmt mmx mra mrc mre mrm mrr mrt mrx mta mtc mte mtm mtr mtt mtx mxa mxc mxr ra- raa rac rae ram rar rat rax rca rcc rce rcm rcr rct rcx re- rea rec ree rem rer ret rex rma rmc rme rmm rmr rmt rmx rra rrc rrm rrr rrt rta rtc rte rtm rtr rtt rtx rxr t-x taa tac tae tam tar tat tax tca tcc tce tcm tcr tct tcx te- tea tec tee tem ter tet tex tma tmc tme tmm tmr tmt tmx tra trc tre trm trr trt trx tta ttc tte ttm ttr ttt ttx txe txt xaa xac xam xar xat xcr xcx xee xem xer xet xex xma xmc xmm xmr xmt xmx xrc xrt xrx xtc xtm xtr xtx xxx

aaaa aaac aaae aaam aaar aaca aacc aace aacm aacr aact aaea aaec aaem aama aamc aame aamr aara aarc aare aarm aart aata aatc aatt ac-t acaa acac acae acar acat acca accc acce accm acct ace- acea acec acem acer acet acma acmc acme acr- acra acrc acre acrm acrr acta actc acte actt aeac aect aeer aemt aer- aera aerc aeta aetc aetr aett aetx amaa amac amae amam amar amat amax amca amcc amec amee amer amet amex amm- amma amme amra amrc amta amtc amte arac arae aram arar arat arax arc- arca arce arcm arct area arec aree arem aret arex arma armc arme armm armt arr- arra arrc arre arrr arrt arta artc arte artr artx at-t at-x ataa atac atae atar atat atax atca atcc atcr atea atec atee atem ater atex atm- atma atme atra atrc atre atrm atrx atta atte attr axar axat axce axer caaa caac caam caat cac- caca cacc cace cacm cacr caec caem caer caex cama camc came camm camt camx cara carc care carm carr cart carx cat- cata catc cate catm catt caxa ccaa ccac ccam ccar ccat ccca cccc cccm ccee ccma ccmc ccmm ccra ccrc ccre ccrt cctc cctt ceac cear ceat cec- ceca cece cecm cect ceec ceem cema ceme cemm cemr cer- cera cerc cere cert cet- ceta cete cexe cmaa cmac cmax cmcc cmea cmec cmmc cmra cmrr cmta cmtc crac cram crar crat crax crca crcc crce crcr cre- crea crec cree crem cret crex crrt crtc crtm ctae ctca ctec ctma ctrc ctrm ctta cxxx eaca eacc eaec eama eame eara eare eart eata eate ecaa ecac ecam ecar ecat ecca eccc ecce eccm ecct ecem ecma ecra ecrc ecrm ecrr ect- ecta ectc eeca eeea eeee eera eerc eeta eetc eete eext emac emae emam emar emax emcc emer emet emex emma emme emra emre emta emte er-x eram erat erca ercc erce erec erem erer eret erma ermc erme erra errc erre erta etam etat etcc etec etee etem eter etra etre etrm etta ette exa- exam exec exer exmr exrx exta exte extr maaa maac maam maar maat mac- maca macc mace macr mact macx maee maem maer mama mamc mame mar- mara marc mare marm marr mart marx mata matc mate matr matt maxx mcaa mcac mcat mcca mccc mccx mcmc mcmt mcmx mcrc mctc mcxc mear meat mec- meca mecc mece mecr meem meer meet mema memc meme memr memx mer- mera merc mere merm mert met- meta mete mett mexx mmaa mmac mmar mmcc mmcm mmct mmcx mmea mmmc mmmm mmrc mmxx mr-c mrac mrca mrcc mrce mree mrmc mrrc mrta mrtm mrtt mtaa mtac mtcr mtrc mtre mtrr mttr raam raat rac- raca racc race ract raec raer rama rame ramm rara rare rata rate ratt raxa rcac rccc rcet rctc rea- reac reae ream rear reat reca recc rece recm recr rect reem reet rema reme rera rere rert reta rete retr rett rexx rrat rrmc rrrr rtca rtcc rtce rtcm rtee rtex rtmc taa- taar taat taca tacc tace tact taec taem taer tama tamc tame tamm tara tarc tare tarm tarr tart tata tate tatr tatt tax- taxa taxe taxm taxt tcam tcca tccc tctc teac team tear teat teca tecr tect teec teem teer teet tema teme ter- tera terc tere term terr teta tete tetr tett tetx texa text tmaa tmac tmax tmca tmcc tmcm tmtt traa trac trae tram trat trax trca trcc tre- trea trec tree trem tret trex trma trra trtc trte trtr tter ttma tttt txaa txtr xaar xace xact xara xare xate xcat xeer xema xeme xer- xera xert xexe xmax xmtc xtar xtea xtra xxxx

-aaa- -tree a-mac a-ram aaaam aaace aaaee aaarc aaata aacte aamer aamra aaram aarma aatma aatxe acaca acar- acara acare acarm acate accra aceae acera acet- aceta acmat acmec acrea acree act-r actar acter actra aeaea aetat aeter amama amame amara amarc amare amart amata amate amcat ameca ameer amer- amera amere ameta ammar ammer amram amtar amter