-th c-- ccc ccd cch cco ccr ccs cct cdc cdd cdh cdo cdr cds cdt ch- chc chd chh cho chr chs cht co- coc cod coh coo cor cos cot crc crd crh cro crr crs crt csc csd csh cso csr css cst ctc ctd cth cto ctr cts ctt dcc dcd dco dcr dcs dct ddc ddd ddh ddo ddr dds ddt dh- dhc dhd dhh dho dhr dhs dht doc dod doh doo dor dos dot drc drd dro drr drs drt dsc dsd dsh dso dsr dss dst dtc dtd dth dto dtr dts dtt hcc hcd hch hco hcr hcs hct hdc hdd hdh hdo hdr hds hdt hhc hhd hhh hho hhr hhs hht hoc hod hoh hoo hor hos hot hr- hrc hrd hrh hro hrr hrs hrt hsc hsd hsh hsr hss hst htc htd hth hto htr hts htt oc- occ ocd och oco ocr ocs oct odc odd odh odo odr ods odt ohc ohd ohh oho ohr ohs oht oo- ooc ood ooh ooo oor oos oot or- orc ord orh oro orr ors ort os- osc osd osh oso osr oss ost ot- otc otd oth oto otr ots ott rcc rcd rch rco rcr rcs rct rdc rdd rdh rdo rdr rds rdt rh- rhc rhd rhh rho rhr rhs rht roc rod roh roo ror ros rot rrc rrd rrh rrr rrs rrt rsc rsd rsh rso rsr rss rst rtc rtd rto rtr rts rtt scc scd sch sco scr scs sct sdc sdd sdh sdo sdr sds sdt sh- shc shd shh sho shr shs sht soc sod soh soo sor sos sot sr- src srd srh sro srr srs srt ss- ssc ssd ssh sso ssr sss sst stc std sth sto str sts stt tcc tcd tch tco tcr tcs tct tdc tdd tdh tdo tdr tds tdt th- thc thd thh tho thr ths tht to- toc tod toh too tor tos tot trc trd trh tro trr trs trt tsc tsd tsh tso tsr tss tst ttc ttd tth tto ttr tts ttt