-ey -ic c-- ccc cce ccf cci cco cct ccx ce- cec cee cef cei ceo cet cex cey cfc cfe cff cfi cfo cft cfx ci- cic cie cif cii cio cit cix co- coc coe cof coi coo cot cox coy ctc cte ctf cti cto ctt ctx cty cxc cxf cxi cxo cxt cxx cyc cye cyf cyo cyt ec- ecc ece ecf eci eco ect ecx eec eee eef eeo eet eex eey ef- efc efe eff efi efo eft efx eic eie eif eii eio eit eix eo- eoc eoe eof eoi eoo eot etc ete etf eti eto ett etx ety ex- exc exe exi exo ext exx exy eyc eye eyo eyt fcc fce fcf fci fco fct fcx fcy fec fee fef fei feo fet fex fey ffc ffe fff ffi ffo fft ffx ffy fic fie fif fii fit fix foc foe fof foi foo fot fox foy ftc fte ftf fti fto ftt ftx fty fxe fxi fxt fxx fy- fyc fye fyi fyo i-f icc ice icf ici ico ict icy ie- iec iee ief iei iet iex iey ifc ife iff ifi ifo ift ifx ify iic iie iif iii iio iit iix io- ioc ioe iof ioi ioo iot itc ite itf iti ito itt itx ity ixc ixe ixi ixy iyc iye iyo iyt iyy o-i oc- occ ocf oci oco oct ocx oec oee oef oei oeo oet oex oey of- ofc ofe off ofi ofo oft ofx oic oie oif oii oio oit oo- ooc oof ooi ooo oot oox ot- otc ote otf oti oto ott ox- oxc oxf oxi oxo oxt oxx oxy oye oyi oyo t-x tcc tce tcf tci tco tct tcx te- tec tee tef tei teo tet tex tey tfc tfe tff tfi tfo tft tfx tic tie tif tii tio tit tix tiy to- toc toe tof toi too tot tox toy ttc tte ttf tti tto ttt ttx tty txe txf txi txt tyc tye tyf tyo tyt xcf xci xcx xee xet xex xfe xft xfx xic xie xii xio xit xix xoc xof xoi xoo xot xox xtc xtf xti xtx xty xxi xxo xxx xxy xyy ycc yce ycf yci yco ycy yec yee yef yei yeo yet yex yey yfc yfe yff yft yie yif yii yio yit yoc yoe yof yoi yoo yot yox yoy ytc yte ytf yto ytt yxe yxy yyc yye yyf yyt yyy