-er -ey eee eer ees eey eie eii eir eis eiu eqe eqq eqs equ ere eri erq err ers eru ery es- ese esi esq esr ess esu esy eu- eue eui eur eus eye eyr eys ie- iee iei ier ies iey iie iii iir iis iiu iqe iqs iqu ir- ire iri irq irr irs iru iry is- ise isi isq isr iss isu isy iu- iue iui iur ius iye iyr iys iyy qee qie qir qis qiu qqq qqu qre qri qrs qru qsi qsr qu- que qui qur qus quy re- ree rei req rer res reu rey rie rii riq rir ris riy rqs rri rrq rrr rrs rru rse rsi rsq rsr rss rsu rue rui rur rus ruu ruy ry- rye ryr rys ryu ryy se- see sei seq ser ses seu sey sie sii siq sir sis siu sqi sqq sqr sqs sr- sre sri srq srr srs sry ss- sse ssi ssq ssr sss ssu sue sui suq sur sus suu suy sy- sye syi syr sys syu uee uei uer ues uey uie uii uiq 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 yiq yir yis yqr yre yrs yru yse ysi ysr yss ysu ysy yue yui yur yus yuu yuy yye yys yyu yyy