-er -ey eee eeo eer ees eet eey eie eii eio eir eis eit eo- eoe eoi eoo eor eos eot ere eri ero err ers ert ery es- ese esi eso esr ess est esy ete eti eto etr ets ett ety eye eyo eyr eys eyt ie- iee iei ier ies iet iey iie iii iio iir iis iit io- ioe ioi ioo ior ios iot ir- ire iri iro irr irs irt iry is- ise isi iso isr iss ist isy ite iti ito its itt ity iye iyo iyr iys iyt iyy o-i oee oei oeo oer oes oet oey oie oii oio oir ois oit oo- ooi ooo oor oos oot or- ore ori oro orr ors ort ory os- ose osi oso osr oss ost ot- ote oti oto otr ots ott oye oyi oyo oys re- ree rei reo rer res ret rey rie rii rio rir ris rit riy roe roi roo ror ros rot roy rri rrr rrs rrt rse rsi rso rsr rss rst rte rti rto rtr rts rtt rty ry- rye ryo ryr rys ryy se- see sei seo ser ses set sey sie sii sio sir sis sit soe soi soo sor sos sot soy sr- sre sri sro srr srs srt sry ss- sse ssi sso ssr sss sst ste sti sto str sts stt sty sy- sye syi syr sys syt te- tee tei teo ter tes tet tey tie tii tio tir tis tit tiy to- toe toi too tor tos tot toy tre tri tro trr trs trt try tse tsi tso tsr tss tst tsy tte tti tto ttr tts ttt tty tye tyo tyr tys tyt yee yei yeo yer yes yet yey yie yii yio yir yis yit yoe yoi yoo yor yos yot yoy yre yro yrs yrt yse ysi yso ysr yss yst ysy yte yto ytr yts ytt yye yys yyt yyy