-th c-- ccc ccd cch cct ccu cdc cdd cdh cdt cdu ch- chc chd chh cht chu ctc ctd cth ctt ctu cuc cud cuh cut cuu dcc dcd dct dcu ddc ddd ddh ddt ddu dh- dhc dhd dhh dht dhu dtc dtd dth dtt dtu duc dud duh dut hcc hcd hch hct hdc hdd hdh hdt hdu hhc hhd hhh hht hhu htc htd hth htt huc hud huh hut huu tcc tcd tch tct tcu tdc tdd tdh tdt tdu th- thc thd thh tht thu ttc ttd tth ttt ttu tuc tud tuh tut tuu ucc ucd uch uct ucu udc udd udt udu uhc uhd uhh uht uhu utc utd uth utt utu uuc uut uuu