-er -ey eee eef eep eer eet eey ef- efe eff efi efp efr eft eie eif eii eip eir eit ep- epe epf epi epp epr ept ere erf eri erp err ert ery ete etf eti etp etr ett ety eye eyp eyr eyt fee fef fei fep fer fet fey ffe fff ffi ffp ffr fft ffy fie fif fii fip fir fit fpe fpi fpp fpr fpt fpy fre frf fri frp frr frt fry fte ftf fti ftp ftr ftt fty fy- fye fyi fyp i-f ie- iee ief iei iep ier iet iey ife iff ifi ifp ifr ift ify iie iif iii iip iir iit ipe ipf ipi ipp ipr ipt ipy ir- ire irf iri irp irr irt iry ite itf iti itp itt ity iye iyr iyt iyy p-p pee pef pei pep per pet pey pfe pff pfi pfp pfr pft pfy pie pif pii pip pir pit ppe ppf ppi ppp ppr ppt pre prf pri prp prr prt pry pt- pte ptf pti ptp ptr ptt pty py- pye pyf pyr pyt re- ree ref rei rep rer ret rey rfe rff rfi rfp rfr rft rie rif rii rip rir rit riy rpe rpf rpi rpp rpr rpt rrf rri rrp rrr rrt rte rtf rti rtp rtr rtt rty ry- rye ryf ryr ryy te- tee tef tei tep ter tet tey tfe tff tfi tfp tfr tft tie tif tii tip tir tit tiy tpe tpf tpi tpp tpr tpt tre trf tri trp trr trt try tte ttf tti ttp ttr ttt tty tye tyf typ tyr tyt yee yef yei yep yer yet yey yfe yff yfr yft yie yif yii yip yir yit ypf yre yrf yrp yrt yte ytf ytp ytr ytt yye yyf yyt yyy