-th ddd ddh ddo ddr ddt dh- dhd dhh dho dhr dht dod doh doo dor dot drd dro drr drt dtd dth dto dtr dtt hdd hdh hdo hdr hdt hhd hhh hho hhr hht hod hoh hoo hor hot hr- hrd hrh hro hrr hrt htd hth hto htr htt odd odh odo odr odt ohd ohh oho ohr oht oo- ood ooh ooo oor oot or- ord orh oro orr ort ot- otd oth oto otr ott rdd rdh rdo rdr rdt rh- rhd rhh rho rhr rht rod roh roo ror rot rrd rrh rrr rrt rtd rto rtr rtt tdd tdh tdo tdr tdt th- thd thh tho thr tht to- tod toh too tor tot trd trh tro trr trt ttd tth tto ttr ttt