-ey -ic c-- ccc cce cci cco cct ccx ce- cec cee cei ceo cet cex cey ci- cic cie cii cio cit cix co- coc coe coi coo cot cox coy ctc cte cti cto ctt ctx cty cxc cxi cxo cxt cxx cyc cye cyo cyt ec- ecc ece eci eco ect ecx eec eee eeo eet eex eey eic eie eii eio eit eix eo- eoc eoe eoi eoo eot etc ete eti eto ett etx ety ex- exc exe exi exo ext exx exy eyc eye eyo eyt icc ice ici ico ict icy ie- iec iee iei iet iex iey iic iie iii iio iit iix io- ioc ioe ioi ioo iot itc ite iti ito itt itx ity ixc ixe ixi ixy iyc iye iyo iyt iyy o-i oc- occ oci oco oct ocx oec oee oei oeo oet oex oey oic oie oii oio oit oo- ooc ooi ooo oot oox ot- otc ote oti oto ott ox- oxc oxi oxo oxt oxx oxy oye oyi oyo t-x tcc tce tci tco tct tcx te- tec tee tei teo tet tex tey tic tie tii tio tit tix tiy to- toc toe toi too tot tox toy ttc tte tti tto ttt ttx tty txe txi txt tyc tye tyo tyt xci xcx xee xet xex xic xie xii xio xit xix xoc xoi xoo xot xox xtc xti xtx xty xxi xxo xxx xxy xyy ycc yce yci yco ycy yec yee yei yeo yet yex yey yie yii yio yit yoc yoe yoi yoo yot yox yoy ytc yte yto ytt yxe yxy yyc yye yyt yyy