-er a-a a-c a-t aaa aac aae aao aar aat aav aax ac- aca acc ace aco acr act acv acx aea aec aee aeo aer aet aev aex aoa aoc aoe aoo aor aot aov aox ar- ara arc are aro arr art arv arx at- ata atc ate ato atr att atv atx av- ava avc ave avo avr avt avx ax- axa axe axo axr axt axv axx c-- caa cac cae cao car cat cav cax cca ccc cce cco ccr cct ccv ccx ce- cea cec cee ceo cer cet cev cex co- coa coc coe coo cor cot cov cox cra crc cre cro crr crt crv crx cta ctc cte cto ctr ctt ctv ctx cva cvc cve cvo cvr cvt cvv cvx cxc cxo cxr cxt cxv cxx eaa eac eae eao ear eat eav eax ec- eca ecc ece eco ecr ect ecv ecx eea eec eee eeo eer eet eev eex eo- eoa eoc eoe eoo eor eot era erc ere ero err ert erv eta etc ete eto etr ett etv etx eva evc eve evo evr evt evv ex- exa exc exe exo exr ext exx oaa oac oae oao oar oat oav oax oc- oca occ oco ocr oct ocv ocx oea oec oee oeo oer oet oex oo- ooa ooc ooo oor oot oov oox or- ora orc ore oro orr ort orv orx ot- ota otc ote oto otr ott otv ov- ova ovc ove ovo ovv ox- oxa oxc oxo oxt oxx ra- raa rac rae rao rar rat rav rax rca rcc rce rco rcr rct rcv rcx re- rea rec ree reo rer ret rev rex roa roc roe roo ror rot rov rox rra rrc rrr rrt rta rtc rte rto rtr rtt rtv rtx rva rvc rve rvo rvr rvt rvv rxr t-x taa tac tae tao tar tat tav tax tca tcc tce tco tcr tct tcv tcx te- tea tec tee teo ter tet tev tex to- toa toc toe too tor tot tov tox tra trc tre tro trr trt trv trx tta ttc tte tto ttr ttt ttv ttx tva tvc tve tvo tvr tvt tvx txe txt v-a v-e vaa vac vae vao var vat vav vax vca vcc vce vco vcr vct vcx vea vec vee veo ver vet vex voa voc voe voo vor vot vov vox vra vrc vre vrr vrt vta vtc vte vto vtr vtt vtv vtx vva vvc vvo vvr vvt vvv vxa vxr vxv xaa xac xar xat xav xcr xcv xcx xee xer xet xev xex xoa xoc xoo xor xot xov xox xrc xrt xrx xtc xtr xtv xtx xvt xxo xxv xxx

-vac aaaa aaac aaae aaar aaav aaca aacc aace aaco aacr aact aacv aaea aaec aaev aaoe aaoo aara aarc aare aaro aart aata aatc aatt aava ac-t acaa acac acae acar acat acca accc acce acco acct ace- acea acec acer acet acev acoa acoe acor acot acr- acra acrc acre acro acrr acrv acta actc acte acto actt actv acvv aeac aect aeer aer- aera aerc aero aeta aetc aeto aetr aett aetx aeva aoca aoce aora aort aotc arac arae arar arat arax arc- arca arce arco arct area arec aree areo aret arev arex aroa aroe aroo aror arr- arra arrc arre arro arrr arrt arta artc arte arto artr artv artx arva arve arvo at-t at-x ataa atac atae atar atat atax atca atcc atco atcr atea atec atee ateo ater atex atoc atoe ator atot atra atrc atre atro atrx atta atte atto attr avao avar avat avax avcc avce avco avea avec aveo aver avex avor avot avra avre avro avva avvo axar axat axce axer axo- axoa axto axxo caaa caac caat cac- caca cacc cace caco cacr caec caer caex caor cara carc care caro carr cart carx cat- cata catc cate cato catt catv cava cave cavo caxa ccaa ccac ccar ccat ccca cccc cccv ccee ccoc ccra ccrc ccre ccrt cctc cctt cctv ccvo ceac cear ceat cec- ceca cece ceco cect ceec ceor cer- cera cerc cere cero cert cet- ceta cete ceto cetv ceva cevo cexe coat coax coca coce coco coct coex coot cor- cora corc core coro corr cort cota cotc cote coto cott cova cove covo coxa coxe crac crar crat crax crca crcc crce crcr cre- crea crec cree creo cret crex croc croe croo cror crot crrt crtc crtv ctae ctca ctec ctor ctot ctrc ctta ctvo ctvt cvac cvar cvax cvca cvcc cver cvet cvra cvrr cvte cxro cxxv cxxx eaca eacc eaec eara eare earo eart eata eate eave ecaa ecac ecao ecar ecat ecca eccc ecce ecco ecct eco- ecot ecra ecrc ecrr ecrv ect- ecta ectc ecto ectv eeca eeea eeee eeoc eera eerc eero eeta eetc eete eeva eext eora eore eota eotc eoto er-x erat erca ercc erce erec erer eret erev eroc eroe eroo erra errc erre erro erta erve etat etcc etco etec etee eter etoe etox etra etre etro etta ette etto etvo evac evae evar evat evea ever evet evex evoe evoo evra evre exa- exco exec exer exo- exor exrx exta exte extr o-eo oaer oara oare oate ocac ocat occa occc occt oce ocee ocet ocra ocre ocro ocrr oct- octa octe octo oeax oec- oeca oecc oeec oera oere oeta ooaa oocr ooer oooo oora oore oort orac orae orao orar orat orav orca orce orco ore- orea orec oreo orer orex oro- oroe oror orot orra orro orta ortc orte orto orve orvr otac otar otea otee oter oto- otoe otoo otor otov otra otre otro otta otte otto ovar ovee over ovet ovo- ovoo ovot ovra ovre oxa- oxea oxer oxo- oxox oxxo raat rac- raca racc race raco ract racv raec raer raoc rara rare raro rata rate rato ratt rava rave raxa rcac rccc rcet rctc rctv rcvr