-er eee eek eeo eer ees eev ehe ehh eho ehr ehs ehv eke ekh eko ekr eks ekv eo- eoe eoh eok eoo eor eos ere erh erk ero err ers erv es- ese esh esk eso esr ess esv eve evh evo evr evs evv he- hee heh hek heo her hes hev hhe hhh hhk hho hhr hhs hhv hkh hkk hko hkr hks hoe hoh hok hoo hor hos hov hr- hre hrh hrk hro hrr hrs hrv hse hsh hsk hsr hss hsv hv- hvk hvo hvr hvs hvv ke- kee keh kek keo ker kes kev khe khh khk kho khr khs khv kke kkh kkk kkr kks kkv koe koh kok koo kor kos krk kro krr krs krv kse ksh ksk kso ksr kss ksv kvh kvk kvo kvr kvs kvv oee oeh oeo oer oes ohe ohh oho ohr ohs oke okk oko okr oks oo- ooh ook ooo oor oos oov or- ore orh ork oro orr ors orv os- ose osh osk oso osr oss osv ov- ove ovh ovo ovs ovv re- ree reh rek reo rer res rev rh- rhe rhh rho rhr rhs rhv rke rkk rko rks rkv roe roh rok roo ror ros rov rrh rrk rrr rrs rse rsh rsk rso rsr rss rsv rve rvh rvo rvr rvs rvv se- see seh sek seo ser ses sev sh- she shh shk sho shr shs shv sk- ske skh skk sko skr sks soe soh sok soo sor sos sov sr- sre srh srk sro srr srs srv ss- sse ssh ssk sso ssr sss ssv sve svk svo svr svs svv v-e vee veh vek veo ver ves vh- vhe vho vhs voe voh vok voo vor vos vov vre vrh vrk vrr vrs vse vsh vsk vso vsr vss vsv vvo vvr vvs vvv