-ic c-- ccc ccd cce ccg cci cco cct cdc cdd cde cdg cdi cdo cdt ce- cec ced cee ceg cei ceo cet cgc cgd cge cgg cgi cgo cgt ci- cic cid cie cig cii cio cit co- coc cod coe cog coi coo cot ctc ctd cte ctg cti cto ctt dcc dcd dce dcg dci dco dct ddc ddd dde ddg ddi ddo ddt de- dec ded dee deg dei deo det dgc dgd dge dgg dgi dgt di- dic did die dig dii dio dit doc dod doe dog doi doo dot dtc dtd dte dtg dti dto dtt ec- ecc ecd ece ecg eci eco ect ed- edc edd ede edg edi edo edt eec eed eee eeg eeo eet egc egd ege egg egi ego egt eic eid eie eig eii eio eit eo- eoc eod eoe eog eoi eoo eot etc etd ete etg eti eto ett g-d gcc gcd gce gcg gci gco gct gdc gdd gde gdi gdo gdt ge- gec ged gee geg gei geo get ggc ggd ggg ggi ggo ggt gic gid gie gig gii gio git goc god goe gog goi goo got gtc gtd gte gtg gti gto gtt i-d icc icd ice icg ici ico ict idc idd ide idg idi ido idt ie- iec ied iee ieg iei iet igc igd ige igg igi igo igt iic iid iie iii iio iit io- ioc iod ioe iog ioi ioo iot itc itd ite itg iti ito itt o-i oc- occ ocd ocg oci oco oct odc odd ode odg odi odo odt oec oed oee oeg oei oeo oet ogc ogd oge ogg ogi ogo ogt oic oid oie oii oio oit oo- ooc ood oog ooi ooo oot ot- otc otd ote otg oti oto ott tcc tcd tce tcg tci tco tct tdc tdd tde tdg tdi tdo tdt te- tec ted tee teg tei teo tet tgc tge tgg tgi tgo tgt tic tid tie tig tii tio tit to- toc tod toe tog toi too tot ttc ttd tte ttg tti tto ttt