-er -ic a-a a-c a-i aaa aac aae aai aap aar aas aav ac- aca acc ace aci acp acr acs acv aea aec aee aei aep aer aes aev ai- aia aic aie aii aip air ais aiv ap- apa apc ape api app apr aps apv ar- ara arc are ari arp arr ars arv as- asa asc ase asi asp asr ass asv av- ava avc ave avi avp avr avs c-- caa cac cae cai cap car cas cav cca ccc cce cci ccp ccr ccs ccv ce- cea cec cee cei cep cer ces cev ci- cia cic cie cii cip cir cis civ cpa cpc cpe cpi cpp cpr cps cpv cra crc cre cri crp crr crs crv csa csc cse csi csp csr css csv cva cvc cve cvi cvp cvr cvs cvv eaa eac eae eai eap ear eas eav ec- eca ecc ece eci ecr ecs ecv eea eec eee eep eer ees eev eia eic eie eii eip eir eis eiv ep- epa epc epe epi epp epr eps era erc ere eri erp err ers erv es- esa esc ese esi esp esr ess esv eva evc eve evi evp evr evs evv i-v ia- iaa iac iae iai iap iar ias iav ica icc ice ici icp icr ics icv ie- iea iec iee iei iep ier ies iev iia iic iie iii iip iir iis ipa ipc ipe ipi ipp ipr ips ipv ir- ira irc ire iri irp irr irs irv is- isa isc ise isi isp isr iss isv iva ivc ive ivi ivp ivr ivs ivv p-p paa pac pae pai pap par pas pav pca pcc pce pci pcp pcr pcs pcv pea pec pee pei pep per pes pev pia pic pie pii pip pir pis piv ppa ppc ppe ppi ppp ppr pps ppv pra prc pre pri prp prr prs prv ps- psa psc pse psi psp psr pss psv pva pvc pve pvi pvp pvr pvs pvv ra- raa rac rae rai rap rar ras rav rca rcc rce rci rcp rcr rcs rcv re- rea rec ree rei rep rer res rev ria ric rie rii rip rir ris riv rpa rpc rpe rpi rpp rpr rps rpv rra rrc rri rrp rrr rrs rsa rsc rse rsi rsp rsr rss rsv rva rvc rve rvi rvp rvr rvs rvv saa sac sae sai sap sar sas sav sca scc sce sci scp scr scs scv se- sea sec see sei sep ser ses sev sia sic sie sii sip sir sis siv spa spc spe spi spp spr sps spv sr- sra src sre sri srp srr srs srv ss- ssa ssc sse ssi ssp ssr sss ssv sva svc sve svi svp svr svs svv v-a v-e vaa vac vae vai vap var vas vav vca vcc vce vci vcp vcr vcs vea vec vee vei vep ver ves vi- via vic vie vii vip vir vis viv vpa vpc vpe vpi vpp vpr vps vra vrc vre vri vrp vrr vrs vsa vsc vse vsi vsp vsr vss vsv vva vvc vvi vvr vvs vvv