-ic c-- ccc ccd cci ccp cct cdc cdd cdi cdp cdt cdy ci- cic cid cii cip cit cpc cpd cpi cpp cpt ctc ctd cti ctp ctt cty cyc cyd cyp cyt dcc dcd dci dcp dct ddc ddd ddi ddp ddt ddy di- dic did dii dip dit diy dpc dpd dpi dpp dpt dtc dtd dti dtp dtt dty dy- dyc dyd dyp dyy i-d icc icd ici icp ict icy idc idd idi idp idt idy iic iid iii iip iit ipc ipd ipi ipp ipt ipy itc itd iti itp itt ity iyc iyt iyy p-p pcc pcd pci pcp pct pdc pdd pdi pdp pdt pic pid pii pip pit ppc ppd ppi ppp ppt pt- ptc ptd pti ptp ptt pty py- pyc pyd pyt tcc tcd tci tcp tct tdc tdd tdi tdp tdt tdy tic tid tii tip tit tiy tpc tpd tpi tpp tpt ttc ttd tti ttp ttt tty tyc tyd typ tyt ycc ycd yci ycp ycy ydt ydy yid yii yip yit ypd ytc ytd ytp ytt yyc yyt yyy