-th c-- ccc ccd cch ccs cct ccu cdc cdd cdh cds cdt cdu ch- chc chd chh chs cht chu csc csd csh css cst csu ctc ctd cth cts ctt ctu cuc cud cuh cus cut cuu dcc dcd dcs dct dcu ddc ddd ddh dds ddt ddu dh- dhc dhd dhh dhs dht dhu dsc dsd dsh dss dst dsu dtc dtd dth dts dtt dtu duc dud duh dus dut hcc hcd hch hcs hct hdc hdd hdh hds hdt hdu hhc hhd hhh hhs hht hhu hsc hsd hsh hss hst hsu htc htd hth hts htt huc hud huh hus hut huu scc scd sch scs sct scu sdc sdd sdh sds sdt sdu sh- shc shd shh shs sht shu ss- ssc ssd ssh sss sst ssu stc std sth sts stt stu suc sud suh sus sut suu tcc tcd tch tcs tct tcu tdc tdd tdh tds tdt tdu th- thc thd thh ths tht thu tsc tsd tsh tss tst tsu ttc ttd tth tts ttt ttu tuc tud tuh tus tut tuu ucc ucd uch ucs uct ucu udc udd uds udt udu uhc uhd uhh uhs uht uhu usc usd ush uss ust usu utc utd uth uts utt utu uuc uus uut uuu