ddd ddg ddo ddr ddt ddy dgd dgg dgr dgt dod dog doo dor dot doy drd drg dro drr drt dry dtd dtg dto dtr dtt dty dy- dyd dyo dyr dyy g-d gdd gdo gdr gdt ggd ggg ggo ggr ggt god gog goo gor got goy grd grg gro grr grt gry gtd gtg gto gtr gtt gty gy- gyd gyo gyr odd odg odo odr odt ogd ogg ogo ogt ogy oo- ood oog ooo oor oot or- ord org oro orr ort ory ot- otd otg oto otr ott oyd oyo rdd rdg rdo rdr rdt rdy rgd rgg rgo rgr rgt rod rog roo ror rot roy rrd rrg rrr rrt rtd rtg rto rtr rtt rty ry- ryd ryg ryo ryr ryy tdd tdg tdo tdr tdt tdy tgg tgo tgr tgt tgy to- tod tog too tor tot toy trd trg tro trr trt try ttd ttg tto ttr ttt tty tyd tyg tyo tyr tyt ydg ydo ydt ydy ygo yod yog yoo yor yot yoy yrg yro yrt ytd yto ytr ytt yyg yyt yyy