-er -ic a-a a-c a-i aaa aac aae aai aao aar aas aav ac- aca acc ace aci aco acr acs acv aea aec aee aei aeo aer aes aev ai- aia aic aie aii aio air ais aiv aoa aoc aoe aoi aoo aor aos aov ar- ara arc are ari aro arr ars arv as- asa asc ase asi aso asr ass asv av- ava avc ave avi avo avr avs c-- caa cac cae cai cao car cas cav cca ccc cce cci cco ccr ccs ccv ce- cea cec cee cei ceo cer ces cev ci- cia cic cie cii cio cir cis civ co- coa coc coe coi coo cor cos cov cra crc cre cri cro crr crs crv csa csc cse csi cso csr css csv cva cvc cve cvi cvo cvr cvs cvv eaa eac eae eai eao ear eas eav ec- eca ecc ece eci eco ecr ecs ecv eea eec eee eeo eer ees eev eia eic eie eii eio eir eis eiv eo- eoa eoc eoe eoi eoo eor eos era erc ere eri ero err ers erv es- esa esc ese esi eso esr ess esv eva evc eve evi evo evr evs evv i-v ia- iaa iac iae iai iao iar ias iav ica icc ice ici ico icr ics icv ie- iea iec iee iei ier ies iev iia iic iie iii iio iir iis io- ioa ioc ioe ioi ioo ior ios iov ir- ira irc ire iri iro irr irs irv is- isa isc ise isi iso isr iss isv iva ivc ive ivi ivo ivr ivs ivv o-i oaa oac oae oai oao oar oas oav oc- oca occ oci oco ocr ocs ocv oea oec oee oei oeo oer oes oia oic oie oii oio oir ois oiv oo- ooa ooc ooi ooo oor oos oov or- ora orc ore ori oro orr ors orv os- osa osc ose osi oso osr oss osv ov- ova ovc ove ovi ovo ovs ovv ra- raa rac rae rai rao rar ras rav rca rcc rce rci rco rcr rcs rcv re- rea rec ree rei reo rer res rev ria ric rie rii rio rir ris riv roa roc roe roi roo ror ros rov rra rrc rri rrr rrs rsa rsc rse rsi rso rsr rss rsv rva rvc rve rvi rvo rvr rvs rvv saa sac sae sai sao sar sas sav sca scc sce sci sco scr scs scv se- sea sec see sei seo ser ses sev sia sic sie sii sio sir sis siv soa soc soe soi soo sor sos sov sr- sra src sre sri sro srr srs srv ss- ssa ssc sse ssi sso ssr sss ssv sva svc sve svi svo svr svs svv v-a v-e vaa vac vae vai vao var vas vav vca vcc vce vci vco vcr vcs vea vec vee vei veo ver ves vi- via vic vie vii vio vir vis viv voa voc voe voi voo vor vos vov vra vrc vre vri vrr vrs vsa vsc vse vsi vso vsr vss vsv vva vvc vvi vvo vvr vvs vvv