-er -ey eee eef eeo eep eer eet eey ef- efe eff efo efp efr eft eo- eoe eof eoo eop eor eot ep- epe epf epo epp epr ept ere erf ero erp err ert ery ete etf eto etp etr ett ety eye eyo eyp eyr eyt fee fef feo fep fer fet fey ffe fff ffo ffp ffr fft ffy foe fof foo fop for fot foy fpe fpo fpp fpr fpt fpy fre frf fro frp frr frt fry fte ftf fto ftp ftr ftt fty fy- fye fyo fyp oee oef oeo oep oer oet oey of- ofe off ofo ofp ofr oft oo- oof ooo oop oor oot op- ope opf opo opp opr opt opy or- ore orf oro orp orr ort ory ot- ote otf oto otp otr ott oye oyo p-p pee pef peo pep per pet pey pfe pff pfo pfp pfr pft pfy poe pof poo pop por pot poy ppe ppf ppo ppp ppr ppt pre prf pro prp prr prt pry pt- pte ptf pto ptp ptr ptt pty py- pye pyf pyo pyr pyt re- ree ref reo rep rer ret rey rfe rff rfo rfp rfr rft roe rof roo rop ror rot roy rpe rpf rpo rpp rpr rpt rrf rrp rrr rrt rte rtf rto rtp rtr rtt rty ry- rye ryf ryo ryr ryy te- tee tef teo tep ter tet tey tfe tff tfo tfp tfr tft to- toe tof too top tor tot toy tpe tpf tpo tpp tpr tpt tre trf tro trp trr trt try tte ttf tto ttp ttr ttt tty tye tyf tyo typ tyr tyt yee yef yeo yep yer yet yey yfe yff yfr yft yoe yof yoo yop yor yot yoy ypf ypo yre yrf yro yrp yrt yte ytf yto ytp ytr ytt yye yyf yyt yyy