c-- ccc ccf cct ccw ccx cfc cff cft cfw cfx ctc ctf ctt ctw ctx cw- cwc cwt cxc cxf cxt cxx fcc fcf fct fcw fcx ffc fff fft ffw ffx ftc ftf ftt ftw ftx fwc fwf fwt fwx fxt fxx t-x tcc tcf tct tcw tcx tfc tff tft tfw tfx ttc ttf ttt ttw ttx twc twf twt tww twx txf txt wcc wcf wct wcw wcx wfc wff wft wfw wtc wtf wtt wtw wtx wwc wwf wwt www wxc wxw xcf xcx xft xfx xtc xtf xtx xwt xxx