-er -ey eee eef eer eet eey ef- efe eff efi efr eft eie eif eii eir eit ere erf eri err ert ery ete etf eti etr ett ety eye eyr eyt fee fef fei fer fet fey ffe fff ffi ffr fft ffy fie fif fii fir fit fre frf fri frr frt fry fte ftf fti ftr ftt fty fy- fye fyi i-f ie- iee ief iei ier iet iey ife iff ifi ifr ift ify iie iif iii iir iit ir- ire irf iri irr irt iry ite itf iti itt ity iye iyr iyt iyy re- ree ref rei rer ret rey rfe rff rfi rfr rft rie rif rii rir rit riy rrf rri rrr rrt rte rtf rti rtr rtt rty ry- rye ryf ryr ryy te- tee tef tei ter tet tey tfe tff tfi tfr tft tie tif tii tir tit tiy tre trf tri trr trt try tte ttf tti ttr ttt tty tye tyf tyr tyt yee yef yei yer yet yey yfe yff yfr yft yie yif yii yir yit yre yrf yrt yte ytf ytr ytt yye yyf yyt yyy