-ic c-- ccc ccg cci ccs ccz cgc cgg cgi cgs cgy ci- cic cig cii cis csc csg csi css csy csz cyc cyg cys cz- czc gcc gcg gci gcs ggc ggg ggi ggs ggz gic gig gii gis giy giz gsc gsg gsi gss gy- gys icc icg ici ics icy icz igc igg igi igs igy iic iii iis is- isc isg isi iss isy iyc iys iyy izi izy izz scc scg sci scs sgc sgg sgi sgs sic sig sii sis ss- ssc ssg ssi sss ssz sy- syc syg syi sys szi ycc yci ycs ycy ygc yig yii yis yiz ysc ysg ysi yss ysy ysz yyc yyg yys yyy yyz yzy z-g zcs zgg zgi zgs zig zis ziz zsg zsi zsz zzs zzy zzz