-th ddd ddh ddo ddr ddt ddx dh- dhd dhh dho dhr dht dod doh doo dor dot dox drd dro drr drt drx dtd dth dto dtr dtt dtx dxd dxo dxr dxt dxx hdd hdh hdo hdr hdt hdx hhd hhh hho hhr hht hod hoh hoo hor hot hox hr- hrd hrh hro hrr hrt htd hth hto htr htt htx hxd odd odh odo odr odt ohd ohh oho ohr oht oo- ood ooh ooo oor oot oox or- ord orh oro orr ort orx ot- otd oth oto otr ott ox- oxo oxt oxx rdd rdh rdo rdr rdt rdx rh- rhd rhh rho rhr rht rod roh roo ror rot rox rrd rrh rrr rrt rtd rto rtr rtt rtx rxr t-x tdd tdh tdo tdr tdt tdx th- thd thh tho thr tht thx to- tod toh too tor tot tox trd trh tro trr trt trx ttd tth tto ttr ttt ttx txt xdh xdr xdt xhd xht xod xoo xor xot xox xrd xrt xrx xtr xtx xxo xxx