-ic c-- ccc ccd cci ccn cct cdc cdd cdi cdn cdt ci- cic cid cii cin cit cn- cnc cnd cni cnn cnt ctc ctd cti ctn ctt dcc dcd dci dcn dct ddc ddd ddi ddn ddt di- dic did dii din dit dnc dnd dni dnn dnt dtc dtd dti dtn dtt i-d icc icd ici icn ict idc idd idi idn idt iic iid iii iin iit in- inc ind ini inn int itc itd iti itn itt n-i ncc ncd nci ncn nct ndc ndd ndi ndn ndt nic nid nii nin nit nnc nni nnn nnt ntc ntd nti ntn ntt tcc tcd tci tcn tct tdc tdd tdi tdn tdt tic tid tii tin tit tnc tnd tni tnn tnt ttc ttd tti ttn ttt