-er -ic a-a a-c a-i a-t aaa aac aae aai aar aat aax ac- aca acc ace aci acr act acx aea aec aee aei aer aet aex ai- aia aic aie aii air ait aix ar- ara arc are ari arr art arx at- ata atc ate ati atr att atx ax- axa axe axi axr axt axx c-- caa cac cae cai car cat cax cca ccc cce cci ccr cct ccx ce- cea cec cee cei cer cet cex ci- cia cic cie cii cir cit cix cra crc cre cri crr crt crx cta ctc cte cti ctr ctt ctx cxc cxi cxr cxt cxx eaa eac eae eai ear eat eax ec- eca ecc ece eci ecr ect ecx eea eec eee eer eet eex eia eic eie eii eir eit eix era erc ere eri err ert eta etc ete eti etr ett etx ex- exa exc exe exi exr ext exx ia- iaa iac iae iai iar iat ica icc ice ici icr ict ie- iea iec iee iei ier iet iex iia iic iie iii iir iit iix ir- ira irc ire iri irr irt irx ita itc ite iti itt itx ixc ixe ixi ra- raa rac rae rai rar rat rax rca rcc rce rci rcr rct rcx re- rea rec ree rei rer ret rex ria ric rie rii rir rit rix rra rrc rri rrr rrt rta rtc rte rti rtr rtt rtx rxr t-x taa tac tae tai tar tat tax tca tcc tce tci tcr tct tcx te- tea tec tee tei ter tet tex tia tic tie tii tir tit tix tra trc tre tri trr trt trx tta ttc tte tti ttr ttt ttx txe txi txt xaa xac xar xat xci xcr xcx xee xer xet xex xia xic xie xii xit xix xrc xrt xrx xtc xti xtr xtx xxi xxx

a-ii aaaa aaac aaae aaai aaar aaca aacc aace aaci aacr aact aaea aaec aaic aaii aara aarc aare aari aart aata aatc aatt ac-t acaa acac acae acai acar acat acca accc acce acci acct ace- acea acec acer acet aci- acia acic acie acir acr- acra acrc acre acri acrr acta actc acte acti actt aeac aeci aect aeer aeit aer- aera aerc aeri aeta aetc aetr aett aetx aiai aica aicc aice aicr aiea aiee aiet aiia aiic aiir aira aire airi airt airx aita aite aiti aitr aitt aixa aixi arac arae arai arar arat arax arc- arca arce arci arct area arec aree arei aret arex aria arie arii arit arr- arra arrc arre arri arrr arrt arta artc arte arti artr artx at-t at-x ataa atac atae atai atar atat atax atca atcc atcr atea atec atee atei ater atex atia atic atie atit atra atrc atre atri atrx atta atte atti attr axar axat axce axer axi- axia axie caaa caac caat cac- caca cacc cace caci cacr caec caei caer caex caia caic cair cait caix cara carc care cari carr cart carx cat- cata catc cate cati catt caxa ccaa ccac ccai ccar ccat ccca cccc ccci ccee ccic ccii ccir ccix ccra ccrc ccre ccri ccrt cctc cctt ccxi ceac cear ceat cec- ceca cece ceci cect ceec cer- cera cerc cere ceri cert cet- ceta cete ceti cexe ciaa ciar ciat cica cicc cici cicr cict ciee cier ciia ciii ciit cira circ cire ciri cirr cirt cita cite citi citt cixi crac crai crar crat crax crca crcc crce crcr cre- crea crec cree crei cret crex cria cric crie crit crrt crtc ctae ctca ctec ctia ctic ctrc ctta cxii cxix cxxi cxxx eaca eacc eaec eara eare eart eata eate eati ecaa ecac ecai ecar ecat ecca eccc ecce ecci ecct ecit ecra ecrc ecri ecrr ect- ecta ectc eeca eeea eeee eera eerc eeta eetc eete eext eica eiec eiei eier eira eire eita eitc eiti eitr er-x erat erca ercc erce erec erei erer eret eria eric erie erit erra errc erre erta etai etat etcc etec etee eter etic etix etra etre etta ette etti exa- exai exec exer exit exrx exta exte extr iaaa iaac iaai iaat iaca iacc iacr iact iaea iaec iaia iara iarc iare iart iata iatc iate iati icaa icac icai icar icat icca iccc icci iccr icct icea icec icee icer icet icex icra icrc icre icrr icrt icta ieac ieat iecc ieet ieie iera iere ieri ieta iett iiac iica iiie iiii iiit iira iirc iita iitr iitt irac irae irai irar irca ircc ircx iree irer irex iri- iria iric irie irix irra irrc irre irri irta irte irti itaa itac itai itar itat itea itec iter itet itex itia itic itie itra itri itta ixia ixxi raat rac- raca racc race raci ract raec raer raia raic raie raii rair rait raix rara rare rari rata rate rati ratt raxa raxi rcac rccc rcet rcic rctc rcti rea- reac reae rear reat reca recc rece reci recr rect reet reia reii reir reit rera rere reri rert reta rete reti retr rett rexx riaa riai riat rica ricc rice rict rier riet riex riia rire riri rita rite riti ritt rixc rixe rrat rrrr rtai rtca rtcc rtce rtee rtei rtex taa- taar taat taca tacc tace taci tact taec taer taia tair tait taix tara tarc tare tari tarr tart tata tate tati tatr tatt tax- taxa taxe taxi taxt tcca tccc tctc teac tear teat teca tecr tect teec teer teet teia teic teie teir ter- tera terc tere teri terr teta tete teti tetr tett tetx texa text tiaa tiar tiax tica ticc tice tie- tiea tiee tiei tier tiet tiit tira tire tiri tirr tita titc tite titi titt tixt traa trac trae trai trat trax trca trcc tre- trea trec tree trei tret trex tri- tria tric trie trit trix trra trtc trte trtr tter tttt txaa txii txtr xaar