ddd ddf ddi ddr ddt ddy dfd dff dfi dfr dft di- did dif dii dir dit diy drd dri drr drt dry dtd dtf dti dtr dtt dty dy- dyd dyr dyy fdd fdf fdi fdr fdt ffd fff ffi ffr fft ffy fid fif fii fir fit frd frf fri frr frt fry ftd ftf fti ftr ftt fty fy- fyi i-d i-f idd idf idi idr idt idy ifd iff ifi ifr ift ify iid iif iii iir iit ir- ird irf iri irr irt iry itd itf iti itt ity iyr iyt iyy rdd rdf rdi rdr rdt rdy rfd rff rfi rfr rft rid rif rii rir rit riy rrd rrf rri rrr rrt rtd rtf rti rtr rtt rty ry- ryd ryf ryr ryy tdd tdf tdi tdr tdt tdy tfd tff tfi tfr tft tid tif tii tir tit tiy trd trf tri trr trt try ttd ttf tti ttr ttt tty tyd tyf tyr tyt ydt ydy yfd yff yfr yft yid yif yii yir yit yrf yrt ytd ytf ytr ytt yyf yyt yyy