-ic c-- ccc ccd ccf cci cco ccp ccs cdc cdd cdf cdi cdo cdp cds cdy cfc cfd cff cfi cfo cfp cfs ci- cic cid cif cii cio cip cis co- coc cod cof coi coo cop cos coy cpc cpd cpf cpi cpo cpp cps csc csd csf csi cso csp css csy cyc cyd cyf cyo cyp cys dcc dcd dcf dci dco dcp dcs ddc ddd ddf ddi ddo ddp dds ddy dfc dfd dff dfi dfo dfp dfs di- dic did dif dii dio dip dis diy doc dod dof doi doo dop dos doy dpc dpd dpf dpi dpo dpp dps dsc dsd dsf dsi dso dsp dss dsy dy- dyc dyd dyo dyp dys dyy fcc fcd fcf fci fco fcp fcs fcy fdc fdd fdf fdi fdo fdp fds ffc ffd fff ffi ffo ffp ffs ffy fic fid fif fii fip fis foc fof foi foo fop fos foy fpc fpd fpi fpo fpp fps fpy fsc fsd fsf fsi fso fsp fss fy- fyc fyi fyo fyp i-d i-f icc icd icf ici ico icp ics icy idc idd idf idi ido idp ids idy ifc ifd iff ifi ifo ifp ifs ify iic iid iif iii iio iip iis io- ioc iod iof ioi ioo iop ios ipc ipd ipf ipi ipo ipp ips ipy is- isc isd isf isi iso isp iss isy iyc iyo iys iyy o-i oc- occ ocd ocf oci oco ocp ocs odc odd odf odi odo odp ods of- ofc ofd off ofi ofo ofp ofs oic oid oif oii oio oip ois oo- ooc ood oof ooi ooo oop oos op- opc opd opf opi opo opp ops opy os- osc osd osf osi oso osp oss oyd oyi oyo oys p-p pcc pcd pcf pci pco pcp pcs pdc pdd pdf pdi pdo pdp pds pfc pfd pff pfi pfo pfp pfs pfy pic pid pif pii pio pip pis poc pod pof poi poo pop pos poy ppc ppd ppf ppi ppo ppp pps ps- psc psd psf psi pso psp pss psy py- pyc pyd pyf pyo pys scc scd scf sci sco scp scs sdc sdd sdf sdi sdo sdp sds sdy sfc sfd sff sfi sfo sfp sfs sic sid sif sii sio sip sis soc sod sof soi soo sop sos soy spc spd spf spi spo spp sps spy ss- ssc ssd ssf ssi sso ssp sss sy- syc syd syi syp sys ycc ycd ycf yci yco ycp ycs ycy ydo yds ydy yfc yfd yff yfs yid yif yii yio yip yis yoc yod yof yoi yoo yop yos yoy ypd ypf ypo yps ysc ysi yso ysp yss ysy yyc yyf yys yyy