-er -ic a-a a-c a-i aaa aac aae aai aam aap aar aas ac- aca acc ace aci acm acp acr acs aea aec aee aei aem aep aer aes ai- aia aic aie aii aim aip air ais ama amc ame ami amm amp amr ams ap- apa apc ape api apm app apr aps ar- ara arc are ari arm arp arr ars as- asa asc ase asi asm asp asr ass c-- caa cac cae cai cam cap car cas cca ccc cce cci ccm ccp ccr ccs ce- cea cec cee cei cem cep cer ces ci- cia cic cie cii cim cip cir cis cma cmc cme cmi cmm cmp cmr cms cpa cpc cpe cpi cpm cpp cpr cps cra crc cre cri crm crp crr crs csa csc cse csi csm csp csr css eaa eac eae eai eam eap ear eas ec- eca ecc ece eci ecm ecr ecs eea eec eee eem eep eer ees eia eic eie eii eim eip eir eis em- ema emc eme emi emm emp emr ems ep- epa epc epe epi epm epp epr eps era erc ere eri erm erp err ers es- esa esc ese esi esm esp esr ess ia- iaa iac iae iai iam iap iar ias ica icc ice ici icm icp icr ics ie- iea iec iee iei iem iep ier ies iia iic iie iii iim iip iir iis im- ima imc ime imi imm imp ims ipa ipc ipe ipi ipm ipp ipr ips ir- ira irc ire iri irm irp irr irs is- isa isc ise isi ism isp isr iss m-r maa mac mae mai mam map mar mas mc- mca mcc mce mci mcm mcp mcr mcs mea mec mee mei mem mep mer mes mi- mia mic mie mii mim mip mir mis mma mmc mme mmi mmm mmp mmr mms mpa mpc mpe mpi mpm mpp mpr mps mra mrc mre mri mrm mrp mrr mrs msa msc mse msi msm msp msr mss p-p paa pac pae pai pam pap par pas pca pcc pce pci pcm pcp pcr pcs pea pec pee pei pem pep per pes pia pic pie pii pim pip pir pis pma pmc pme pmi pmm pmp pmr pms ppa ppc ppe ppi ppm ppp ppr pps pra prc pre pri prm prp prr prs ps- psa psc pse psi psm psp psr pss ra- raa rac rae rai ram rap rar ras rca rcc rce rci rcm rcp rcr rcs re- rea rec ree rei rem rep rer res ria ric rie rii rim rip rir ris rma rmc rme rmi rmm rmp rmr rms rpa rpc rpe rpi rpm rpp rpr rps rra rrc rri rrm rrp rrr rrs rsa rsc rse rsi rsm rsp rsr rss saa sac sae sai sam sap sar sas sca scc sce sci scm scp scr scs se- sea sec see sei sem sep ser ses sia sic sie sii sim sip sir sis sma smc sme smi smm smp smr sms spa spc spe spi spm spp spr sps sr- sra src sre sri srm srp srr srs ss- ssa ssc sse ssi ssm ssp ssr sss