-er -ic a-a a-c a-i aaa aac aae aai aam aan aap aar ac- aca acc ace aci acm acn acp acr aea aec aee aei aem aen aep aer ai- aia aic aie aii aim ain aip air ama amc ame ami amm amn amp amr an- ana anc ane ani anm ann anp anr ap- apa apc ape api apm apn app apr ar- ara arc are ari arm arn arp arr c-- caa cac cae cai cam can cap car cca ccc cce cci ccm ccn ccp ccr ce- cea cec cee cei cem cen cep cer ci- cia cic cie cii cim cin cip cir cma cmc cme cmi cmm cmn cmp cmr cn- cna cnc cne cni cnm cnn cnp cnr cpa cpc cpe cpi cpm cpn cpp cpr cra crc cre cri crm crn crp crr eaa eac eae eai eam ean eap ear ec- eca ecc ece eci ecm ecn ecr eea eec eee eem een eep eer eia eic eie eii eim ein eip eir em- ema emc eme emi emm emn emp emr en- ena enc ene eni enm enn enp enr ep- epa epc epe epi epm epn epp epr era erc ere eri erm ern erp err ia- iaa iac iae iai iam ian iap iar ica icc ice ici icm icn icp icr ie- iea iec iee iei iem ien iep ier iia iic iie iii iim iin iip iir im- ima imc ime imi imm imn imp in- ina inc ine ini inm inn inp inr ipa ipc ipe ipi ipm ipn ipp ipr ir- ira irc ire iri irm irn irp irr m-r maa mac mae mai mam man map mar mc- mca mcc mce mci mcm mcn mcp mcr mea mec mee mei mem men mep mer mi- mia mic mie mii mim min mip mir mma mmc mme mmi mmm mmn mmp mmr mna mnc mne mni mnm mnn mnp mnr mpa mpc mpe mpi mpm mpn mpp mpr mra mrc mre mri mrm mrn mrp mrr n-i naa nac nae nai nam nan nap nar nca ncc nce nci ncm ncn ncp ncr ne- nea nec nee nei nem nen nep ner nia nic nie nii nim nin nip nir nma nmc nme nmi nmm nmn nmp nmr nna nnc nne nni nnm nnn nnp npa npc npe npi npm npn npp npr nra nrc nre nri nrm nrn nrp nrr p-p paa pac pae pai pam pan pap par pca pcc pce pci pcm pcn pcp pcr pea pec pee pei pem pen pep per pia pic pie pii pim pin pip pir pma pmc pme pmi pmm pmn pmp pmr pn- pna pnc pne pni pnm pnn pnp pnr ppa ppc ppe ppi ppm ppn ppp ppr pra prc pre pri prm prn prp prr ra- raa rac rae rai ram ran rap rar rca rcc rce rci rcm rcn rcp rcr re- rea rec ree rei rem ren rep rer ria ric rie rii rim rin rip rir rma rmc rme rmi rmm rmn rmp rmr rna rnc rni rnm rnn rnp rnr rpa rpc rpe rpi rpm rpn rpp rpr rra rrc rri rrm rrn rrp rrr