-ey c-- ccc ccd cce cco ccp ccx cdc cdd cde cdo cdp cdx cdy ce- cec ced cee ceo cep cex cey co- coc cod coe coo cop cox coy cpc cpd cpe cpo cpp cpx cxc cxo cxp cxx cyc cyd cye cyo cyp dcc dcd dce dco dcp dcx ddc ddd dde ddo ddp ddx ddy de- dec ded dee deo dep dex dey doc dod doe doo dop dox doy dpc dpd dpe dpo dpp dxc dxd dxo dxp dxx dy- dyc dyd dye dyo dyp dyy ec- ecc ecd ece eco ecx ed- edc edd ede edo edp edx edy eec eed eee eeo eep eex eey eo- eoc eod eoe eoo eop ep- epc epd epe epo epp epx ex- exc exd exe exo exp exx exy eyc eyd eye eyo eyp oc- occ ocd oco ocp ocx odc odd ode odo odp oec oed oee oeo oep oex oey oo- ooc ood ooo oop oox op- opc opd ope opo opp opx opy ox- oxc oxo oxx oxy oyd oye oyo p-p pcc pcd pce pco pcp pcx pdc pdd pde pdo pdp pdx pec ped pee peo pep pex pey poc pod poe poo pop pox poy ppc ppd ppe ppo ppp ppx pxc pxe py- pyc pyd pye pyo pyx xcd xcp xcx xdc xde xed xee xep xex xoc xod xoo xop xox xpc xpd xpe xpo xpp xxo xxp xxx xxy xyp xyy ycc ycd yce yco ycp ycy yde ydo ydy yec yed yee yeo yep yex yey yoc yod yoe yoo yop yox yoy ypd ypo yxe yxy yyc yye yyy