-er a-a a-c a-t aaa aac aae aaf aao aap aar aat ac- aca acc ace acf aco acp acr act aea aec aee aef aeo aep aer aet af- afa afc afe aff afo afp afr aft aoa aoc aoe aof aoo aop aor aot ap- apa apc ape apf apo app apr apt ar- ara arc are arf aro arp arr art at- ata atc ate atf ato atp atr att c-- caa cac cae caf cao cap car cat cca ccc cce ccf cco ccp ccr cct ce- cea cec cee cef ceo cep cer cet cfa cfc cfe cff cfo cfp cfr cft co- coa coc coe cof coo cop cor cot cpa cpc cpe cpf cpo cpp cpr cpt cra crc cre crf cro crp crr crt cta ctc cte ctf cto ctp ctr ctt eaa eac eae eaf eao eap ear eat ec- eca ecc ece ecf eco ecr ect eea eec eee eef eeo eep eer eet ef- efa efc efe eff efo efp efr eft eo- eoa eoc eoe eof eoo eop eor eot ep- epa epc epe epf epo epp epr ept era erc ere erf ero erp err ert eta etc ete etf eto etp etr ett faa fac fae faf fao fap far fat fca fcc fce fcf fco fcp fcr fct fea fec fee fef feo fep fer fet ffa ffc ffe fff ffo ffp ffr fft foa foc foe fof foo fop for fot fpa fpc fpe fpo fpp fpr fpt fra frc fre frf fro frp frr frt fta ftc fte ftf fto ftp ftr ftt oaa oac oae oaf oao oap oar oat oc- oca occ ocf oco ocp ocr oct oea oec oee oef oeo oep oer oet of- ofa ofc ofe off ofo ofp ofr oft oo- ooa ooc oof ooo oop oor oot op- opa opc ope opf opo opp opr opt or- ora orc ore orf oro orp orr ort ot- ota otc ote otf oto otp otr ott p-p paa pac pae paf pao pap par pat pca pcc pce pcf pco pcp pcr pct pea pec pee pef peo pep per pet pfa pfc pfe pff pfo pfp pfr pft poa poc poe pof poo pop por pot ppa ppc ppe ppf ppo ppp ppr ppt pra prc pre prf pro prp prr prt pt- pta ptc pte ptf pto ptp ptr ptt ra- raa rac rae raf rao rap rar rat rca rcc rce rcf rco rcp rcr rct re- rea rec ree ref reo rep rer ret rfa rfc rfe rff rfo rfp rfr rft roa roc roe rof roo rop ror rot rpa rpc rpe rpf rpo rpp rpr rpt rra rrc rrf rrp rrr rrt rta rtc rte rtf rto rtp rtr rtt taa tac tae taf tao tap tar tat tca tcc tce tcf tco tcp tcr tct te- tea tec tee tef teo tep ter tet tfa tfc tfe tff tfo tfp tfr tft to- toa toc toe tof too top tor tot tpa tpc tpe tpf tpo tpp tpr tpt tra trc tre trf tro trp trr trt tta ttc tte ttf tto ttp ttr ttt

aaaa aaac aaae aaaf aaap aaar aaca aacc aace aacf aaco aacp aacr aact aaea aaec aaep aafa aafc aaff aaoe aaoo aapa aapc aapo aapt aara aarc aare aaro aarp aart aata aatc aatf aatt ac-t acaa acac acae acap acar acat acca accc acce accf acco accp acct ace- acea acec acer acet acfc acfe acft acoa acoe acop acor acot acpa acpe acpr acpt acr- acra acrc acre acro acrr acta actc acte actf acto actt aeac aeaf aeap aect aeer aer- aera aerc aero aeta aetc aetf aeto aetr aett afaa afao afap afar afat afca afcc afee afer afet affa affc affo afft afoa afoe afoo afor afpa afpc afpe afr- afra afrc afre afro afta aftc afte aftp aoca aoce aopo aora aort aotc aotf apac apao apap apar apat apca apcc apco apcr apea apec apep aper apet apfa apfc apfo apft apo- apoc apoe apof apoo apop apor apot appa appc appr appt apra aprc apre apro aprt apta aptc apte aptt arac arae araf arap arar arat arc- arca arce arco arct area arec aree aref areo arep aret arfa arfc arff arft aroa aroe aroo aror arpa arpe arr- arra arrc arre arro arrr arrt arta artc arte arto artr at-t ataa atac atae atap atar atat atca atcc atcf atco atcr atea atec atee atef ateo atep ater atfc atfe atoc atoe atof atop ator atot atpr atra atrc atre atro atrp atta atte atto attp attr caaa caac caaf caap caat cac- caca cacc cace caco cacr caec caer cafa cafc cafe caff caor capa capc cape capo capp capt cara carc care carf caro carp carr cart cat- cata catc cate catf cato catt ccaa ccac ccaf ccap ccar ccat ccca cccc cccf cccp ccee ccfa ccfc ccff ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrf ccrp ccrt cctc cctt ceac cear ceat cec- ceca cece ceco cecp cect ceec cef- cefa cefc ceop ceor cepa cepc cepe cepo cepp cepr cept cer- cera cerc cere cerf cero cerp cert cet- ceta cete ceto cetp cfaa cfac cfae cfao cfar cfca cfcf cfco cffr cfoa cfor cfpa cfpo cfpr cfra cfre cfrp cfrt cfta cftc cfte cftr coat coca coce coco cocp coct coep cofc cofe coff coft coof coop coot copa cope copo copp copr copt cor- cora corc core corf coro corp corr cort cota cotc cote coto cott cpaa cpac cpaf cpap cpca cpce cpea cpep cper cpff cpft cppa cpre cprt cptp cptr crac craf crap crar crat crca crcc crce crcr cre- crea crec cree creo crep cret crfc croc croe croo crop cror crot crpc crrt crtc crtf crtp ctae ctca ctcf ctcp ctec ctep ctfc ctfo ctor ctot ctpo ctpp ctrc ctrp ctta eaaf eaca