-er -ey eee eer ees eet eey ere err ers ert eru ery es- ese esr ess est esu esy ete etr ets ett etu ety eu- eue eur eus eut eye eyr eys eyt re- ree rer res ret reu rey rrr rrs rrt rru rse rsr rss rst rsu rte rtr rts rtt rtu rty rue rur rus rut ruu ruy ry- rye ryr rys ryu ryy se- see ser ses set seu sey sr- sre srr srs srt sry ss- sse ssr sss sst ssu ste str sts stt stu sty sue sur sus sut suu suy sy- sye syr sys syt syu te- tee ter tes tet teu tey tre trr trs trt tru try tse tsr tss tst tsu tsy tte ttr tts ttt ttu tty tue tur tus tut tuu tuy tye tyr tys tyt uee uer ues uet uey ur- ure urr urs urt uru ury use usr uss ust usu ute utr uts utt utu uty uue uur uus uut uuu uys uyu yee yer yes yet yey yre yrs yrt yru yse ysr yss yst ysu ysy yte ytr yts ytt ytu yue yur yus yut yuu yuy yye yys yyt yyu yyy