-er -ey eee eep eer ees eet eey ep- epe epp epr eps ept ere erp err ers ert ery es- ese esp esr ess est esy ete etp etr ets ett ety eye eyp eyr eys eyt p-p pee pep per pes pet pey ppe ppp ppr pps ppt pre prp prr prs prt pry ps- pse psp psr pss pst psy pt- pte ptp ptr pts ptt pty py- pye pyr pys pyt re- ree rep rer res ret rey rpe rpp rpr rps rpt rrp rrr rrs rrt rse rsp rsr rss rst rte rtp rtr rts rtt rty ry- rye ryr rys ryy se- see sep ser ses set sey spe spp spr sps spt spy sr- sre srp srr srs srt sry ss- sse ssp ssr sss sst ste stp str sts stt sty sy- sye syp syr sys syt te- tee tep ter tes tet tey tpe tpp tpr tps tpt tre trp trr trs trt try tse tsp tsr tss tst tsy tte ttp ttr tts ttt tty tye typ tyr tys tyt yee yep yer yes yet yey yps yre yrp yrs yrt yse ysp ysr yss yst ysy yte ytp ytr yts ytt yye yys yyt yyy