-ey -ic c-- ccc ccd cce cci ccs cdc cdd cde cdi cds cdy ce- cec ced cee cei ces cey ci- cic cid cie cii cis csc csd cse csi css csy cyc cyd cye cys dcc dcd dce dci dcs ddc ddd dde ddi dds ddy de- dec ded dee dei des dey di- dic did die dii dis diy dsc dsd dse dsi dss dsy dy- dyc dyd dye dys dyy ec- ecc ecd ece eci ecs ed- edc edd ede edi eds edy eec eed eee ees eey eic eid eie eii eis es- esc esd ese esi ess esy eyc eyd eye eys i-d icc icd ice ici ics icy idc idd ide idi ids idy ie- iec ied iee iei ies iey iic iid iie iii iis is- isc isd ise isi iss isy iyc iye iys iyy scc scd sce sci scs sdc sdd sde sdi sds sdy se- sec sed see sei ses sey sic sid sie sii sis ss- ssc ssd sse ssi sss sy- syc syd sye syi sys ycc ycd yce yci ycs ycy yde yds ydy yec yed yee yei yes yey yid yie yii yis ysc yse ysi yss ysy yyc yye yys yyy