-er a-a a-c aaa aac aae aaf aam aao aap aar ac- aca acc ace acf acm aco acp acr aea aec aee aef aem aeo aep aer af- afa afc afe aff afm afo afp afr ama amc ame amf amm amo amp amr aoa aoc aoe aof aom aoo aop aor ap- apa apc ape apf apm apo app apr ar- ara arc are arf arm aro arp arr c-- caa cac cae caf cam cao cap car cca ccc cce ccf ccm cco ccp ccr ce- cea cec cee cef cem ceo cep cer cfa cfc cfe cff cfm cfo cfp cfr cma cmc cme cmf cmm cmo cmp cmr co- coa coc coe cof com coo cop cor cpa cpc cpe cpf cpm cpo cpp cpr cra crc cre crf crm cro crp crr eaa eac eae eaf eam eao eap ear ec- eca ecc ece ecf ecm eco ecr eea eec eee eef eem eeo eep eer ef- efa efc efe eff efm efo efp efr em- ema emc eme emf emm emo emp emr eo- eoa eoc eoe eof eom eoo eop eor ep- epa epc epe epf epm epo epp epr era erc ere erf erm ero erp err faa fac fae faf fam fao fap far fca fcc fce fcf fcm fco fcp fcr fea fec fee fef fem feo fep fer ffa ffc ffe fff ffm ffo ffp ffr fma fmc fme fmf fmm fmo fmp fmr foa foc foe fof fom foo fop for fpa fpc fpe fpm fpo fpp fpr fra frc fre frf frm fro frp frr m-f m-o m-r maa mac mae maf mam mao map mar mc- mca mcc mce mcf mcm mco mcp mcr mea mec mee mef mem meo mep mer mfa mfc mfe mff mfm mfo mfp mfr mma mmc mme mmf mmm mmo mmp mmr moa moc moe mof mom moo mop mor mpa mpc mpe mpf mpm mpo mpp mpr mra mrc mre mrf mrm mro mrp mrr oaa oac oae oaf oam oao oap oar oc- oca occ ocf ocm oco ocp ocr oea oec oee oef oem oeo oep oer of- ofa ofc ofe off ofm ofo ofp ofr om- oma omc ome omf omm omo omp omr oo- ooa ooc oof oom ooo oop oor op- opa opc ope opf opm opo opp opr or- ora orc ore orf orm oro orp orr p-p paa pac pae paf pam pao pap par pca pcc pce pcf pcm pco pcp pcr pea pec pee pef pem peo pep per pfa pfc pfe pff pfm pfo pfp pfr pma pmc pme pmf pmm pmo pmp pmr poa poc poe pof pom poo pop por ppa ppc ppe ppf ppm ppo ppp ppr pra prc pre prf prm pro prp prr ra- raa rac rae raf ram rao rap rar rca rcc rce rcf rcm rco rcp rcr re- rea rec ree ref rem reo rep rer rfa rfc rfe rff rfm rfo rfp rfr rma rmc rme rmf rmm rmo rmp rmr roa roc roe rof rom roo rop ror rpa rpc rpe rpf rpm rpo rpp rpr rra rrc rrf rrm rrp rrr

aaaa aaac aaae aaaf aaam aaap aaar aaca aacc aace aacf aacm aaco aacp aacr aaea aaec aaem aaep aafa aafc aaff aama aamc aame aamo aamp aamr aaoe aaoo aapa aapc aapm aapo aara aarc aare aarm aaro aarp acaa acac acae acap acar acca accc acce accf accm acco accp ace- acea acec acem acer acfc acfe acfm acma acmc acme acmf acmp acoa acoe acom acop acor acpa acpe acpm acpr acr- acra acrc acre acrm acro acrr aeac aeaf aeap aeer aeom aer- aera aerc aero afaa afam afao afap afar afca afcc afee afer affa affc affo afma afmc afoa afoe afoo afor afpa afpc afpe afpm afr- afra afrc afre afrm afro amaa amac amae amam amap amar amca amcc amco amec amee amer amfm amfr amm- amma amme ammo amoc amof amoo amor ampa ampc ampe ampm ampo amra amrc amro aoca aoce aoma aopo aora apac apam apao apap apar apca apcc apcm apco apcr apea apec apem apep aper apfa apfc apfo apma apo- apoc apoe apof apom apoo apop apor appa appc appr apra aprc apre apro arac arae araf aram arap arar arc- arca arce arcm arco area arec aree aref arem areo arep arfa arfc arff arma armc arme armm armo aroa aroe arom aroo aror arpa arpe arr- arra arrc arre arro arrr caaa caac caaf caam caap cac- caca cacc cace cacm caco cacr caec caem caer cafa cafc cafe caff cama camc came camm camo camp caor capa capc cape capm capo capp cara carc care carf carm caro carp carr ccaa ccac ccaf ccam ccap ccar ccca cccc cccf cccm cccp ccee ccfa ccfc ccff ccma ccmc ccmm ccmp ccoc ccom ccpa ccpe ccpm ccpp ccpr ccra ccrc ccre ccrf ccrp ceac cear cec- ceca cece cecm ceco cecp ceec ceem cef- cefa cefc cema ceme cemm cemp cemr ceop ceor cepa cepc cepe cepo cepp cepr cer- cera cerc cere cerf cero cerp cfaa cfac cfae cfam cfao cfar cfca cfcf cfcm cfco cffr cfma cfmo cfoa cfom cfor cfpa cfpo cfpr cfra cfre cfrp cmaa cmac cmap cmcc cmea cmec cmmc cmoc cmpa cmpc cmpp cmra cmrr coca coce coco cocp coep cofc cofe coff com- coma comc come comm como comp comr coof coom coop copa cope copo copp copr cor- cora corc core corf corm coro corp corr cpaa cpac cpaf cpam cpap cpca cpce cpcm cpea cpep cper cpff cpma cpme cpmp cppa cppm cpre cprm crac craf cram crap crar crca crcc crce crcr cre- crea crec cree crem creo crep crfc crmo crmp croc croe crom croo crop cror crpc eaaf eaca eacc eaec eama eame eaom eaop eapc eapp eara eare earo earp ecaa ecac ecam ecao ecar ecca eccc ecce eccm