-er eee eeo eer ees ehe ehh eho ehr ehs ehu eo- eoe eoh eoo eor eos eou ere erh ero err ers eru es- ese esh eso esr ess esu eu- eue eur eus he- hee heh heo her hes heu hhe hhh hho hhr hhs hhu hoe hoh hoo hor hos hou hr- hre hrh hro hrr hrs hru hse hsh hsr hss hsu hue huh huo hur hus huu oee oeh oeo oer oes ohe ohh oho ohr ohs ohu oo- ooh ooo oor oos or- ore orh oro orr ors oru os- ose osh oso osr oss osu ou- oue ouh ouo our ous re- ree reh reo rer res reu rh- rhe rhh rho rhr rhs rhu roe roh roo ror ros rou rrh rrr rrs rru rse rsh rso rsr rss rsu rue ruh ruo rur rus ruu se- see seh seo ser ses seu sh- she shh sho shr shs shu soe soh soo sor sos sou sr- sre srh sro srr srs ss- sse ssh sso ssr sss ssu sue suh suo sur sus suu uee ueh uer ues uhe uhh uho uhr uhs uhu uoe uoo uor uos ur- ure uro urr urs uru use ush uso usr uss usu uue uur uus uuu