-er -ey eee eer ees eey eie eii eir eis eiu ere eri err ers eru ery es- ese esi esr ess esu esy eu- eue eui eur eus eye eyr eys ie- iee iei ier ies iey iie iii iir iis iiu ir- ire iri irr irs iru iry is- ise isi isr iss isu isy iu- iue iui iur ius iye iyr iys iyy re- ree rei rer res reu rey rie rii rir ris riy rri rrr rrs rru rse rsi rsr rss rsu rue rui rur rus ruu ruy ry- rye ryr rys ryu ryy se- see sei ser ses seu sey sie sii sir sis siu sr- sre sri srr srs sry ss- sse ssi ssr sss ssu sue sui sur sus suu suy sy- sye syi syr sys syu uee uei uer ues uey uie uii uir uis uiu ur- ure uri urr urs uru ury use usi usr uss usu uue uur uus uuu uyi uys uyu yee yei yer yes yey yie yii yir yis yre yrs yru yse ysi ysr yss ysu ysy yue yui yur yus yuu yuy yye yys yyu yyy