-ic c-- ccc ccd ccf ccg cci cco cct cdc cdd cdf cdg cdi cdo cdt cdy cfc cfd cff cfg cfi cfo cft cgc cgd cgg cgi cgo cgt cgy ci- cic cid cif cig cii cio cit co- coc cod cof cog coi coo cot coy ctc ctd ctf ctg cti cto ctt cty cyc cyd cyf cyg cyo cyt dcc dcd dcf dcg dci dco dct ddc ddd ddf ddg ddi ddo ddt ddy dfc dfd dff dfg dfi dfo dft dgc dgd dgf dgg dgi dgt di- dic did dif dig dii dio dit diy doc dod dof dog doi doo dot doy dtc dtd dtf dtg dti dto dtt dty dy- dyc dyd dyo dyy fcc fcd fcf fcg fci fco fct fcy fdc fdd fdf fdg fdi fdo fdt ffc ffd fff ffg ffi ffo fft ffy fgc fgd fgf fgg fgi fgt fic fid fif fig fii fit foc fof fog foi foo fot foy ftc ftd ftf ftg fti fto ftt fty fy- fyc fyi fyo g-d gcc gcd gcf gcg gci gco gct gdc gdd gdf gdi gdo gdt gfc gfd gff gfi gfo gft gfy ggc ggd ggg ggi ggo ggt gic gid gif gig gii gio git giy goc god gof gog goi goo got goy gtc gtd gtf gtg gti gto gtt gty gy- gyd gyf gyo i-d i-f icc icd icf icg ici ico ict icy idc idd idf idg idi ido idt idy ifc ifd iff ifg ifi ifo ift ify igc igd igf igg igi igo igt igy iic iid iif iii iio iit io- ioc iod iof iog ioi ioo iot itc itd itf itg iti ito itt ity iyc iyo iyt iyy o-i oc- occ ocd ocf ocg oci oco oct odc odd odf odg odi odo odt of- ofc ofd off ofg ofi ofo oft ogc ogd ogf ogg ogi ogo ogt ogy oic oid oif oii oio oit oo- ooc ood oof oog ooi ooo oot ot- otc otd otf otg oti oto ott oyd oyi oyo tcc tcd tcf tcg tci tco tct tdc tdd tdf tdg tdi tdo tdt tdy tfc tfd tff tfg tfi tfo tft tgc tgf tgg tgi tgo tgt tgy tic tid tif tig tii tio tit tiy to- toc tod tof tog toi too tot toy ttc ttd ttf ttg tti tto ttt tty tyc tyd tyf tyg tyo tyt ycc ycd ycf yci yco ycy ydg ydo ydt ydy yfc yfd yff yft ygc ygo yid yif yig yii yio yit yoc yod yof yog yoi yoo yot yoy ytc ytd ytf yto ytt yyc yyf yyg yyt yyy