-er a-a a-c a-t aaa aac aae aao aap aar aat ac- aca acc ace aco acp acr act aea aec aee aeo aep aer aet aoa aoc aoe aoo aop aor aot ap- apa apc ape apo app apr apt ar- ara arc are aro arp arr art at- ata atc ate ato atp atr att c-- caa cac cae cao cap car cat cca ccc cce cco ccp ccr cct ce- cea cec cee ceo cep cer cet co- coa coc coe coo cop cor cot cpa cpc cpe cpo cpp cpr cpt cra crc cre cro crp crr crt cta ctc cte cto ctp ctr ctt eaa eac eae eao eap ear eat ec- eca ecc ece eco ecr ect eea eec eee eeo eep eer eet eo- eoa eoc eoe eoo eop eor eot ep- epa epc epe epo epp epr ept era erc ere ero erp err ert eta etc ete eto etp etr ett oaa oac oae oao oap oar oat oc- oca occ oco ocp ocr oct oea oec oee oeo oep oer oet oo- ooa ooc ooo oop oor oot op- opa opc ope opo opp opr opt or- ora orc ore oro orp orr ort ot- ota otc ote oto otp otr ott p-p paa pac pae pao pap par pat pca pcc pce pco pcp pcr pct pea pec pee peo pep per pet poa poc poe poo pop por pot ppa ppc ppe ppo ppp ppr ppt pra prc pre pro prp prr prt pt- pta ptc pte pto ptp ptr ptt ra- raa rac rae rao rap rar rat rca rcc rce rco rcp rcr rct re- rea rec ree reo rep rer ret roa roc roe roo rop ror rot rpa rpc rpe rpo rpp rpr rpt rra rrc rrp rrr rrt rta rtc rte rto rtp rtr rtt taa tac tae tao tap tar tat tca tcc tce tco tcp tcr tct te- tea tec tee teo tep ter tet to- toa toc toe too top tor tot tpa tpc tpe tpo tpp tpr tpt tra trc tre tro trp trr trt tta ttc tte tto ttp ttr ttt

aaaa aaac aaae aaap aaar aaca aacc aace aaco aacp aacr aact aaea aaec aaep aaoe aaoo aapa aapc aapo aapt aara aarc aare aaro aarp aart aata aatc aatt ac-t acaa acac acae acap acar acat acca accc acce acco accp acct ace- acea acec acer acet acoa acoe acop acor acot acpa acpe acpr acpt acr- acra acrc acre acro acrr acta actc acte acto actt aeac aeap aect aeer aer- aera aerc aero aeta aetc aeto aetr aett aoca aoce aopo aora aort aotc apac apao apap apar apat apca apcc apco apcr apea apec apep aper apet apo- apoc apoe apoo apop apor apot appa appc appr appt apra aprc apre apro aprt apta aptc apte aptt arac arae arap arar arat arc- arca arce arco arct area arec aree areo arep aret 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 atco atcr atea atec atee ateo atep ater atoc atoe atop ator atot atpr atra atrc atre atro atrp atta atte atto attp attr caaa caac caap caat cac- caca cacc cace caco cacr caec caer caor capa capc cape capo capp capt cara carc care caro carp carr cart cat- cata catc cate cato catt ccaa ccac ccap ccar ccat ccca cccc cccp ccee ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp ccrt cctc cctt ceac cear ceat cec- ceca cece ceco cecp cect ceec ceop ceor cepa cepc cepe cepo cepp cepr cept cer- cera cerc cere cero cerp cert cet- ceta cete ceto cetp coat coca coce coco cocp coct coep coop coot copa cope copo copp copr copt cor- cora corc core coro corp corr cort cota cotc cote coto cott cpaa cpac cpap cpca cpce cpea cpep cper cppa cpre cprt cptp cptr crac crap crar crat crca crcc crce crcr cre- crea crec cree creo crep cret croc croe croo crop cror crot crpc crrt crtc crtp ctae ctca ctcp ctec ctep ctor ctot ctpo ctpp ctrc ctrp ctta eaca eacc eaec eaop eapc eapp eara eare earo earp eart eata eate ecaa ecac ecao ecar ecat ecca eccc ecce ecco ecct eco- ecop ecot ecpa ecpp ecra ecrc ecrr ect- ecta ectc ecto eeca eeea eeee eeoc eera eerc eero eeta eetc eete eora eore eota eotc eoto epaa epac epcc epec epee eper epoc epor epot eppa eppc eppo eppp epra epro eprp epta epte erap erat erca ercc erce ercp erec erer eret eroc eroe eroo erpa erpe erra errc erre erro erta etap etat etcc etco etec etee eter etoe etra etre etro etta ette etto o-eo oaer oara oare oate ocac ocap ocat occa occc occt oce ocee ocet ocpa ocpp ocra ocre ocro ocrr oct- octa octe octo oec- oeca oecc oeec oepa oera oere oeta ooaa oocr ooer oooo oora oore oort ootp opap opar opca opec opep oper opet opo- opor oppa oppo opra opto orac orae orao orar orat orca orce orco ore- orea orec oreo orer oro- oroe oror orot orpc orpe orra orro orta ortc orte orto otac otap otar otea otee otep oter oto- otoe otoo otor otpp otra otre otro otta otte otto paap paar paat paca pace paco pact paea paec paep paer paoc papa pape papp papr par- para parc pare paro parp parr part pata pate pato patr patt pcaa pcae pcap pcca pccc pcce pcea pcep pcer pcoa pcoe pcpp pcra pcrc pcre pcte peac peap pear peat peca pece peco pecr pect peec peep peer peet peor pepa pepe pepo per- pera perc pere pero perp perr pert peta pete peto petr pett poar poat poca poce poco poea poer poet poop poor poot pop- popa popc pope