-ic c-- ccc ccd cch cci cco ccr ccx cdc cdd cdh cdi cdo cdr cdx cdy ch- chc chd chh chi cho chr chx chy ci- cic cid cih cii cio cir cix co- coc cod coh coi coo cor cox coy crc crd crh cri cro crr crx cry cxc cxh cxi cxo cxr cxx cyc cyd cyo cyr dcc dcd dci dco dcr dcx ddc ddd ddh ddi ddo ddr ddx ddy dh- dhc dhd dhh dhi dho dhr di- dic did dih dii dio dir dix diy doc dod doh doi doo dor dox doy drc drd dri dro drr drx dry dxc dxd dxi dxo dxr dxx dy- dyc dyd dyo dyr dyy h-i hcc hcd hch hci hco hcr hcy hdc hdd hdh hdi hdo hdr hdx hdy hhc hhd hhh hhi hho hhr hhy hic hid hih hii hio hir hix hoc hod hoh hoi hoo hor hox hoy hr- hrc hrd hrh hri hro hrr hxc hxd hy- hyc hyd hyh hyi hyo hyr hyy i-d icc icd ich ici ico icr icy idc idd idh idi ido idr idx idy ihc ihd ihh ihi iho ihr ihy iic iid iih iii iio iir iix io- ioc iod ioh ioi ioo ior ir- irc ird iri iro irr irx iry ixc ixi ixy iyc iyo iyr iyy o-i oc- occ ocd och oci oco ocr ocx odc odd odh odi odo odr ohc ohd ohh ohi oho ohr oic oid oii oio oir oo- ooc ood ooh ooi ooo oor oox or- orc ord orh ori oro orr orx ory ox- oxc oxi oxo oxx oxy oyd oyi oyo rcc rcd rch rci rco rcr rcx rdc rdd rdh rdi rdo rdr rdx rdy rh- rhc rhd rhh rhi rho rhr ric rid rih rii rio rir rix riy roc rod roh roi roo ror rox roy rrc rrd rrh rri rrr rxr ry- ryc ryd ryo ryr ryy xcd xch xci xcr xcx xdc xdh xdi xdr xhd xic xii xio xix xoc xod xoi xoo xor xox xrc xrd xrx xry xxi xxo xxx xxy xyr xyy ycc ycd ych yci yco ycy ydo ydy yhc yhi yid yih yii yio yir yoc yod yoi yoo yor yox yoy yrc yro yxy yyc yyy