fff ffi ffm ffr fft ffy fif fii fim fir fit fmf fmi fmm fmr fmt frf fri frm frr frt fry ftf fti ftm ftr ftt fty fy- fyi i-f iff ifi ifm ifr ift ify iif iii iim iir iit im- imf imi imm imt imy ir- irf iri irm irr irt iry itf iti itm itt ity iym iyr iyt iyy m-f m-r mff mfi mfm mfr mft mfy mi- mif mii mim mir mit miy mmf mmi mmm mmr mmt mrf mri mrm mrr mrt mry mtf mti mtm mtr mtt my- myf mym myr myt rff rfi rfm rfr rft rif rii rim rir rit riy rmf rmi rmm rmr rmt rrf rri rrm rrr rrt rtf rti rtm rtr rtt rty ry- ryf rym ryr ryy tff tfi tfm tfr tft tif tii tim tir tit tiy tmf tmi tmm tmr tmt tmy trf tri trm trr trt try ttf tti ttm ttr ttt tty tyf tym tyr tyt yff yfm yfr yft yif yii yim yir yit ymi ymm ymt yrf yrt ytf ytm ytr ytt yyf yyt yyy