-th c-- ccc cch ccl ccn cct ch- chc chh chl chn cht cl- clc clh cll cln clt cn- cnc cnh cnl cnn cnt ctc cth ctl ctn ctt hcc hch hcl hcn hct hhc hhh hhl hhn hht hlc hlh hll hln hlt hnc hnh hnl hnn hnt htc hth htl htn htt lcc lch lcl lcn lct lhc lhh lht llc lll lln llt lnc lnh lnl lnn lnt ltc lth ltl ltt ncc nch ncl ncn nct nhc nhh nhl nhn nht nlc nlh nll nln nlt nnc nnh nnl nnn nnt ntc nth ntn ntt tcc tch tcl tcn tct th- thc thh thl thn tht tlc tlh tll tln tlt tnc tnh tnl tnn tnt ttc tth ttl ttn ttt