ddd ddf ddi ddr ddt dfd dff dfi dfr dft dfv di- did dif dii dir dit div drd dri drr drt drv dtd dtf dti dtr dtt dtv dvd dvi dvr dvt fdd fdf fdi fdr fdt ffd fff ffi ffr fft ffv fid fif fii fir fit frd frf fri frr frt ftd ftf fti ftr ftt ftv fvd fvt i-d i-f i-v idd idf idi idr idt idv ifd iff ifi ifr ift iid iif iii iir iit ir- ird irf iri irr irt irv itd itf iti itt itv ivd ivf ivi ivr ivt ivv rdd rdf rdi rdr rdt rdv rfd rff rfi rfr rft rfv rid rif rii rir rit riv rrd rrf rri rrr rrt rtd rtf rti rtr rtt rtv rvd rvf rvi rvr rvt rvv tdd tdf tdi tdr tdt tdv tfd tff tfi tfr tft tid tif tii tir tit tiv trd trf tri trr trt trv ttd ttf tti ttr ttt ttv tvd tvf tvi tvr tvt vdd vdf vdi vdr vdt vdv vfd vff vfi vfr vft vfv vi- vid vif vii vir vit viv vrd vrf vri vrr vrt vti vtr vtt vtv vvi vvr vvt vvv