-th c-- ccc ccd cch cco ccr cct cdc cdd cdh cdo cdr cdt ch- chc chd chh cho chr cht co- coc cod coh coo cor cot crc crd crh cro crr crt ctc ctd cth cto ctr ctt dcc dcd dco dcr dct ddc ddd ddh ddo ddr ddt dh- dhc dhd dhh dho dhr dht doc dod doh doo dor dot drc drd dro drr drt dtc dtd dth dto dtr dtt hcc hcd hch hco hcr hct hdc hdd hdh hdo hdr hdt hhc hhd hhh hho hhr hht hoc hod hoh hoo hor hot hr- hrc hrd hrh hro hrr hrt htc htd hth hto htr htt oc- occ ocd och oco ocr oct odc odd odh odo odr odt ohc ohd ohh oho ohr oht oo- ooc ood ooh ooo oor oot or- orc ord orh oro orr ort ot- otc otd oth oto otr ott rcc rcd rch rco rcr rct rdc rdd rdh rdo rdr rdt rh- rhc rhd rhh rho rhr rht roc rod roh roo ror rot rrc rrd rrh rrr rrt rtc rtd rto rtr rtt tcc tcd tch tco tcr tct tdc tdd tdh tdo tdr tdt th- thc thd thh tho thr tht to- toc tod toh too tor tot trc trd trh tro trr trt ttc ttd tth tto ttr ttt