-ey -ly c-- ccc ccd cce cch ccl ccx cdc cdd cde cdh cdl cdx cdy ce- cec ced cee ceh cel cex cey ch- chc chd che chh chl chx chy cl- clc cld cle clh cll clx cly cxc cxh cxl cxx cyc cyd cye cyl dcc dcd dce dcl dcx ddc ddd dde ddh ddl ddx ddy de- dec ded dee deh del dex dey dh- dhc dhd dhe dhh dhl dl- dlc dld dle dlh dll dlx dly dxc dxd dxl dxx dy- dyc dyd dye dyy ec- ecc ecd ece ech ecl ecx ed- edc edd ede edh edl edx edy eec eed eee eel eex eey ehc ehd ehe ehh ehl elc eld ele elh ell elx ely ex- exc exd exe exh exl exx exy eyc eyd eye eyl hcc hcd hce hch hcl hcy hdc hdd hde hdh hdl hdx hdy he- hec hed hee heh hel hex hey hhc hhd hhe hhh hhl hhy hlc hld hle hlh hll hlx hly hxc hxd hxl hy- hyc hyd hye hyh hyl hyy lcc lcd lce lch lcl lcx lcy ldc ldd lde ldh ldl ldy lec led lee leh lel lex ley lhc lhd lhh lhx llc lld lle lll lly lxc lxd lxx lyc lyd lye lyl lyx xcd xch xcl xcx xdc xde xdh xed xee xel xex xhd xld xxl xxx xxy xyl xyy ycc ycd yce ych ycl ycy yde ydl ydy yec yed yee yeh yel yex yey yhc yhe ylc yld yle yll yly yxe yxy yyc yye yyy