-ic c-- ccc ccg cci cco ccs cct cgc cgg cgi cgo cgs cgt cgy ci- cic cig cii cio cis cit co- coc cog coi coo cos cot coy csc csg csi cso css cst csy ctc ctg cti cto cts ctt cty cyc cyg cyo cys cyt gcc gcg gci gco gcs gct ggc ggg ggi ggo ggs ggt gic gig gii gio gis git giy goc gog goi goo gos got goy gsc gsg gsi gso gss gst gtc gtg gti gto gts gtt gty gy- gyo gys icc icg ici ico ics ict icy igc igg igi igo igs igt igy iic iii iio iis iit io- ioc iog ioi ioo ios iot is- isc isg isi iso iss ist isy itc itg iti ito its itt ity iyc iyo iys iyt iyy o-i oc- occ ocg oci oco ocs oct ogc ogg ogi ogo ogs ogt ogy oic oii oio ois oit oo- ooc oog ooi ooo oos oot os- osc osg osi oso oss ost ot- otc otg oti oto ots ott oyi oyo oys scc scg sci sco scs sct sgc sgg sgi sgo sgs sgt sic sig sii sio sis sit soc sog soi soo sos sot soy ss- ssc ssg ssi sso sss sst stc stg sti sto sts stt sty sy- syc syg syi sys syt tcc tcg tci tco tcs tct tgc tgg tgi tgo tgs tgt tgy tic tig tii tio tis tit tiy to- toc tog toi too tos tot toy tsc tsg tsi tso tss tst tsy ttc ttg tti tto tts ttt tty tyc tyg tyo tys tyt ycc yci yco ycs ycy ygc ygo yig yii yio yis yit yoc yog yoi yoo yos yot yoy ysc ysg ysi yso yss yst ysy ytc yto yts ytt yyc yyg yys yyt yyy