-ic c-- ccc ccd cce ccf cci cco cct ccx cdc cdd cde cdf cdi cdo cdt cdx ce- cec ced cee cef cei ceo cet cex cfc cfd cfe cff cfi cfo cft cfx ci- cic cid cie cif cii cio cit cix co- coc cod coe cof coi coo cot cox ctc ctd cte ctf cti cto ctt ctx cxc cxf cxi cxo cxt cxx dcc dcd dce dcf dci dco dct dcx ddc ddd dde ddf ddi ddo ddt ddx de- dec ded dee def dei deo det dex dfc dfd dfe dff dfi dfo dft dfx di- dic did die dif dii dio dit dix doc dod doe dof doi doo dot dox dtc dtd dte dtf dti dto dtt dtx dxc dxd dxi dxo dxt dxx ec- ecc ecd ece ecf eci eco ect ecx ed- edc edd ede edf edi edo edt edx eec eed eee eef eeo eet eex ef- efc efd efe eff efi efo eft efx eic eid eie eif eii eio eit eix eo- eoc eod eoe eof eoi eoo eot etc etd ete etf eti eto ett etx ex- exc exd exe exi exo ext exx fcc fcd fce fcf fci fco fct fcx fdc fdd fde fdf fdi fdo fdt fdx fec fed fee fef fei feo fet fex ffc ffd ffe fff ffi ffo fft ffx fic fid fie fif fii fit fix foc foe fof foi foo fot fox ftc ftd fte ftf fti fto ftt ftx fxe fxi fxt fxx i-d i-f icc icd ice icf ici ico ict idc idd ide idf idi ido idt idx ie- iec ied iee ief iei iet iex ifc ifd ife iff ifi ifo ift ifx iic iid iie iif iii iio iit iix io- ioc iod ioe iof ioi ioo iot itc itd ite itf iti ito itt itx ixc ixe ixi o-i oc- occ ocd ocf oci oco oct ocx odc odd ode odf odi odo odt oec oed oee oef oei oeo oet oex of- ofc ofd ofe off ofi ofo oft ofx oic oid oie oif oii oio oit oo- ooc ood oof ooi ooo oot oox ot- otc otd ote otf oti oto ott ox- oxc oxf oxi oxo oxt oxx t-x tcc tcd tce tcf tci tco tct tcx tdc tdd tde tdf tdi tdo tdt tdx te- tec ted tee tef tei teo tet tex tfc tfd tfe tff tfi tfo tft tfx tic tid tie tif tii tio tit tix to- toc tod toe tof toi too tot tox ttc ttd tte ttf tti tto ttt ttx txe txf txi txt xcd xcf xci xcx xdc xde xdf xdi xdt xed xee xet xex xfe xft xfx xic xie xii xio xit xix xoc xod xof xoi xoo xot xox xtc xtf xti xtx xxi xxo xxx