-ic c-- ccc ccd cce cci cco ccp cct cdc cdd cde cdi cdo cdp cdt ce- cec ced cee cei ceo cep cet ci- cic cid cie cii cio cip cit co- coc cod coe coi coo cop cot cpc cpd cpe cpi cpo cpp cpt ctc ctd cte cti cto ctp ctt dcc dcd dce dci dco dcp dct ddc ddd dde ddi ddo ddp ddt de- dec ded dee dei deo dep det di- dic did die dii dio dip dit doc dod doe doi doo dop dot dpc dpd dpe dpi dpo dpp dpt dtc dtd dte dti dto dtp dtt ec- ecc ecd ece eci eco ect ed- edc edd ede edi edo edp edt eec eed eee eeo eep eet eic eid eie eii eio eip eit eo- eoc eod eoe eoi eoo eop eot ep- epc epd epe epi epo epp ept etc etd ete eti eto etp ett i-d icc icd ice ici ico icp ict idc idd ide idi ido idp idt ie- iec ied iee iei iep iet iic iid iie iii iio iip iit io- ioc iod ioe ioi ioo iop iot ipc ipd ipe ipi ipo ipp ipt itc itd ite iti ito itp itt o-i oc- occ ocd oci oco ocp oct odc odd ode odi odo odp odt oec oed oee oei oeo oep oet oic oid oie oii oio oip oit oo- ooc ood ooi ooo oop oot op- opc opd ope opi opo opp opt ot- otc otd ote oti oto otp ott p-p pcc pcd pce pci pco pcp pct pdc pdd pde pdi pdo pdp pdt pec ped pee pei peo pep pet pic pid pie pii pio pip pit poc pod poe poi poo pop pot ppc ppd ppe ppi ppo ppp ppt pt- ptc ptd pte pti pto ptp ptt tcc tcd tce tci tco tcp tct tdc tdd tde tdi tdo tdp tdt te- tec ted tee tei teo tep tet tic tid tie tii tio tip tit to- toc tod toe toi too top tot tpc tpd tpe tpi tpo tpp tpt ttc ttd tte tti tto ttp ttt