ddd ddg ddi ddr ddt ddy dgd dgg dgi dgr dgt di- did dig dii dir dit diy drd drg dri drr drt dry dtd dtg dti dtr dtt dty dy- dyd dyr dyy g-d gdd gdi gdr gdt ggd ggg ggi ggr ggt gid gig gii gir git giy grd grg gri grr grt gry gtd gtg gti gtr gtt gty gy- gyd gyr i-d idd idg idi idr idt idy igd igg igi igr igt igy iid iii iir iit ir- ird irg iri irr irt iry itd itg iti itt ity iyr iyt iyy rdd rdg rdi rdr rdt rdy rgd rgg rgi rgr rgt rid rig rii rir rit riy rrd rrg rri rrr rrt rtd rtg rti rtr rtt rty ry- ryd ryg ryr ryy tdd tdg tdi tdr tdt tdy tgg tgi tgr tgt tgy tid tig tii tir tit tiy trd trg tri trr trt try ttd ttg tti ttr ttt tty tyd tyg tyr tyt ydg ydt ydy yid yig yii yir yit yrg yrt ytd ytr ytt yyg yyt yyy