-ic c-- ccc ccd cci ccn cco ccs ccx cdc cdd cdi cdn cdo cds cdx cdy ci- cic cid cii cin cio cis cix cn- cnc cnd cni cnn cno cns cnx cny co- coc cod coi con coo cos cox coy csc csd csi csn cso css csx csy cxc cxi cxo cxs cxx cyc cyd cyn cyo cys dcc dcd dci dcn dco dcs dcx ddc ddd ddi ddn ddo dds ddx ddy di- dic did dii din dio dis dix diy dnc dnd dni dnn dno dns dny doc dod doi don doo dos dox doy dsc dsd dsi dsn dso dss dsx dsy dxc dxd dxi dxn dxo dxs dxx dy- dyc dyd dyn dyo dys dyy i-d icc icd ici icn ico ics icy idc idd idi idn ido ids idx idy iic iid iii iin iio iis iix in- inc ind ini inn ino ins inx iny io- ioc iod ioi ion ioo ios is- isc isd isi isn iso iss isy ixc ixi ixn ixy iyc iyo iys iyy n-i ncc ncd nci ncn nco ncs ncx ndc ndd ndi ndn ndo nds ndy nic nid nii nin nio nis nix nnc nni nnn nno nns no- noc nod noi non noo nos nox noy nsc nsd nsi nsn nso nss nsx nsy nxc nxd nyc nyd nyn nyo nys nyx nyy o-i oc- occ ocd oci ocn oco ocs ocx odc odd odi odn odo ods oic oid oii oin oio ois on- onc ond oni onn ono ons onx ony oo- ooc ood ooi oon ooo oos oox os- osc osd osi osn oso oss osx ox- oxc oxi oxn oxo oxx oxy oyd oyi oyo oys scc scd sci scn sco scs scx sdc sdd sdi sdn sdo sds sdy sic sid sii sin sio sis six snc snd sni snn sno sns sny soc sod soi son soo sos sox soy ss- ssc ssd ssi ssn sso sss ssx sxc sxi sxn sxs sy- syc syd syi syn sys syx xcd xci xcx xdc xdi xds xic xii xin xio xis xix xnc xno xns xoc xod xoi xon xoo xos xox xsc xsi xss xxi xxo xxx xxy xyy ycc ycd yci yco ycs ycy ydn ydo yds ydy yid yii yin yio yis ynd ynn yns yny yoc yod yoi yon yoo yos yox yoy ysc ysi yso yss ysy yxy yyc yys yyy