-er -ic a-a a-c a-i aaa aac aae aai aan aap aar aas ac- aca acc ace aci acn acp acr acs aea aec aee aei aen aep aer aes ai- aia aic aie aii ain aip air ais an- ana anc ane ani ann anp anr ans ap- apa apc ape api apn app apr aps ar- ara arc are ari arn arp arr ars as- asa asc ase asi asn asp asr ass c-- caa cac cae cai can cap car cas cca ccc cce cci ccn ccp ccr ccs ce- cea cec cee cei cen cep cer ces ci- cia cic cie cii cin cip cir cis cn- cna cnc cne cni cnn cnp cnr cns cpa cpc cpe cpi cpn cpp cpr cps cra crc cre cri crn crp crr crs csa csc cse csi csn csp csr css eaa eac eae eai ean eap ear eas ec- eca ecc ece eci ecn ecr ecs eea eec eee een eep eer ees eia eic eie eii ein eip eir eis en- ena enc ene eni enn enp enr ens ep- epa epc epe epi epn epp epr eps era erc ere eri ern erp err ers es- esa esc ese esi esn esp esr ess ia- iaa iac iae iai ian iap iar ias ica icc ice ici icn icp icr ics ie- iea iec iee iei ien iep ier ies iia iic iie iii iin iip iir iis in- ina inc ine ini inn inp inr ins ipa ipc ipe ipi ipn ipp ipr ips ir- ira irc ire iri irn irp irr irs is- isa isc ise isi isn isp isr iss n-i naa nac nae nai nan nap nar nas nca ncc nce nci ncn ncp ncr ncs ne- nea nec nee nei nen nep ner nes nia nic nie nii nin nip nir nis nna nnc nne nni nnn nnp nns npa npc npe npi npn npp npr nps nra nrc nre nri nrn nrp nrr nrs nsa nsc nse nsi nsn nsp nsr nss p-p paa pac pae pai pan pap par pas pca pcc pce pci pcn pcp pcr pcs pea pec pee pei pen pep per pes pia pic pie pii pin pip pir pis pn- pna pnc pne pni pnn pnp pnr pns ppa ppc ppe ppi ppn ppp ppr pps pra prc pre pri prn prp prr prs ps- psa psc pse psi psn psp psr pss ra- raa rac rae rai ran rap rar ras rca rcc rce rci rcn rcp rcr rcs re- rea rec ree rei ren rep rer res ria ric rie rii rin rip rir ris rna rnc rni rnn rnp rnr rns rpa rpc rpe rpi rpn rpp rpr rps rra rrc rri rrn rrp rrr rrs rsa rsc rse rsi rsn rsp rsr rss saa sac sae sai san sap sar sas sca scc sce sci scn scp scr scs se- sea sec see sei sen sep ser ses sia sic sie sii sin sip sir sis sna snc sne sni snn snp snr sns spa spc spe spi spn spp spr sps sr- sra src sre sri srn srp srr srs ss- ssa ssc sse ssi ssn ssp ssr sss