-er -ic a-a a-c a-i aaa aac aae aaf aai aao aap aar ac- aca acc ace acf aci aco acp acr aea aec aee aef aei aeo aep aer af- afa afc afe aff afi afo afp afr ai- aia aic aie aif aii aio aip air aoa aoc aoe aof aoi aoo aop aor ap- apa apc ape apf api apo app apr ar- ara arc are arf ari aro arp arr c-- caa cac cae caf cai cao cap car cca ccc cce ccf cci cco ccp ccr ce- cea cec cee cef cei ceo cep cer cfa cfc cfe cff cfi cfo cfp cfr ci- cia cic cie cif cii cio cip cir co- coa coc coe cof coi coo cop cor cpa cpc cpe cpf cpi cpo cpp cpr cra crc cre crf cri cro crp crr eaa eac eae eaf eai eao eap ear ec- eca ecc ece ecf eci eco ecr eea eec eee eef eeo eep eer ef- efa efc efe eff efi efo efp efr eia eic eie eif eii eio eip eir eo- eoa eoc eoe eof eoi eoo eop eor ep- epa epc epe epf epi epo epp epr era erc ere erf eri ero erp err faa fac fae faf fai fao fap far fca fcc fce fcf fci fco fcp fcr fea fec fee fef fei feo fep fer ffa ffc ffe fff ffi ffo ffp ffr fia fic fie fif fii fip fir foa foc foe fof foi foo fop for fpa fpc fpe fpi fpo fpp fpr fra frc fre frf fri fro frp frr i-f ia- iaa iac iae iaf iai iao iap iar ica icc ice icf ici ico icp icr ie- iea iec iee ief iei iep ier ifa ifc ife iff ifi ifo ifp ifr iia iic iie iif iii iio iip iir io- ioa ioc ioe iof ioi ioo iop ior ipa ipc ipe ipf ipi ipo ipp ipr ir- ira irc ire irf iri iro irp irr o-i oaa oac oae oaf oai oao oap oar oc- oca occ ocf oci oco ocp ocr oea oec oee oef oei oeo oep oer of- ofa ofc ofe off ofi ofo ofp ofr oia oic oie oif oii oio oip oir oo- ooa ooc oof ooi ooo oop oor op- opa opc ope opf opi opo opp opr or- ora orc ore orf ori oro orp orr p-p paa pac pae paf pai pao pap par pca pcc pce pcf pci pco pcp pcr pea pec pee pef pei peo pep per pfa pfc pfe pff pfi pfo pfp pfr pia pic pie pif pii pio pip pir poa poc poe pof poi poo pop por ppa ppc ppe ppf ppi ppo ppp ppr pra prc pre prf pri pro prp prr ra- raa rac rae raf rai rao rap rar rca rcc rce rcf rci rco rcp rcr re- rea rec ree ref rei reo rep rer rfa rfc rfe rff rfi rfo rfp rfr ria ric rie rif rii rio rip rir roa roc roe rof roi roo rop ror rpa rpc rpe rpf rpi rpo rpp rpr rra rrc rrf rri rrp rrr

a-ii aaaa aaac aaae aaaf aaai aaap aaar aaca aacc aace aacf aaci aaco aacp aacr aaea aaec aaep aafa aafc aaff aafi aaic aaii aaoe aaoo aapa aapc aapi aapo aara aarc aare aari aaro aarp acaa acac acae acai acap acar acca accc acce accf acci acco accp ace- acea acec acer acfc acfe acfi aci- acia acic acie acif acip acir acoa acoe acop acor acpa acpe acpi acpr acr- acra acrc acre acri acro acrr aeac aeaf aeap aeci aeer aeio aer- aera aerc aeri aero afaa afao afap afar afca afcc afci afee afer affa affc affi affo afia afif afir afoa afoe afoo afor afpa afpc afpe afr- afra afrc afre afri afro aiai aica aicc aice aicf aicp aicr aiea aiee aiff aiia aiic aiir aioc aioi aipa aipe aipf aipi aira aire airi airo airp aoca aoce aopo aora apac apai apao apap apar apca apcc apco apcr apea apec apep aper apfa apfc apfo api- apia apic apie apio apip apo- apoc apoe apof apoo apop apor appa appc appr apra aprc apre apri apro arac arae araf arai arap arar arc- arca arce arci arco area arec aree aref arei areo arep arfa arfc arff aria arie arif arii ario arip aroa aroe aroi aroo aror arpa arpe arpi arr- arra arrc arre arri arro arrr caaa caac caaf caap cac- caca cacc cace caci caco cacr caec caei caer cafa cafc cafe caff caia caic caio caip cair caoi caor capa capc cape capi capo capp cara carc care carf cari caro carp carr ccaa ccac ccaf ccai ccap ccar ccca cccc cccf ccci cccp ccee ccfa ccfc ccff ccfi ccic ccii ccip ccir ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrf ccri ccrp ceac cear cec- ceca cece ceci ceco cecp ceec cef- cefa cefc ceip ceop ceor cepa cepc cepe cepo cepp cepr cer- cera cerc cere cerf ceri cero cerp cfaa cfac cfae cfao cfar cfca cfcf cfco cffr cfia cfoa cfor cfpa cfpo cfpr cfra cfre cfrp ciaa ciao ciar cica cicc cici cico cicr ciee cier cifa cife ciff ciia ciii cior cipa cipf cipo cipp cira circ cire ciri ciro cirr coai coca coce coco cocp coep cofc cofe coff cofi coia coif coip coir coof coop copa cope copi copo copp copr cor- cora corc core corf cori coro corp corr cpaa cpac cpaf cpap cpca cpce cpea cpep cper cpff cpia cpic cpif cpio cppa cpre cpri crac craf crai crap crar crca crcc crce crcr cre- crea crec cree crei creo crep crfc cria cric crie crif crip croc croe croo crop cror crpc eaaf eaca eacc eaec eaif eaop eapc eapp eara eare earo earp ecaa ecac ecai ecao ecar ecca eccc ecce