-ic c-- ccc ccd cci cco ccp cct cdc cdd cdi cdo cdp cdt ci- cic cid cii cio cip cit co- coc cod coi coo cop cot cpc cpd cpi cpo cpp cpt ctc ctd cti cto ctp ctt dcc dcd dci dco dcp dct ddc ddd ddi ddo ddp ddt di- dic did dii dio dip dit doc dod doi doo dop dot dpc dpd dpi dpo dpp dpt dtc dtd dti dto dtp dtt i-d icc icd ici ico icp ict idc idd idi ido idp idt iic iid iii iio iip iit io- ioc iod ioi ioo iop iot ipc ipd ipi ipo ipp ipt itc itd iti ito itp itt o-i oc- occ ocd oci oco ocp oct odc odd odi odo odp odt oic oid oii oio oip oit oo- ooc ood ooi ooo oop oot op- opc opd opi opo opp opt ot- otc otd oti oto otp ott p-p pcc pcd pci pco pcp pct pdc pdd pdi pdo pdp pdt pic pid pii pio pip pit poc pod poi poo pop pot ppc ppd ppi ppo ppp ppt pt- ptc ptd pti pto ptp ptt tcc tcd tci tco tcp tct tdc tdd tdi tdo tdp tdt tic tid tii tio tip tit to- toc tod toi too top tot tpc tpd tpi tpo tpp tpt ttc ttd tti tto ttp ttt