-ey -ic c-- ccc ccd cce cci cco ccp ccx cdc cdd cde cdi cdo cdp cdx cdy ce- cec ced cee cei ceo cep cex cey ci- cic cid cie cii cio cip cix co- coc cod coe coi coo cop cox coy cpc cpd cpe cpi cpo cpp cpx cxc cxi cxo cxp cxx cyc cyd cye cyo cyp dcc dcd dce dci dco dcp dcx ddc ddd dde ddi ddo ddp ddx ddy de- dec ded dee dei deo dep dex dey di- dic did die dii dio dip dix diy doc dod doe doi doo dop dox doy dpc dpd dpe dpi dpo dpp dxc dxd dxi dxo dxp dxx dy- dyc dyd dye dyo dyp dyy ec- ecc ecd ece eci eco ecx ed- edc edd ede edi edo edp edx edy eec eed eee eeo eep eex eey eic eid eie eii eio eip eix eo- eoc eod eoe eoi eoo eop ep- epc epd epe epi epo epp epx ex- exc exd exe exi exo exp exx exy eyc eyd eye eyo eyp i-d icc icd ice ici ico icp icy idc idd ide idi ido idp idx idy ie- iec ied iee iei iep iex iey iic iid iie iii iio iip iix io- ioc iod ioe ioi ioo iop ipc ipd ipe ipi ipo ipp ipx ipy ixc ixe ixi ixy iyc iye iyo iyy o-i oc- occ ocd oci oco ocp ocx odc odd ode odi odo odp oec oed oee oei oeo oep oex oey oic oid oie oii oio oip oo- ooc ood ooi ooo oop oox op- opc opd ope opi opo opp opx opy ox- oxc oxi oxo oxx oxy oyd oye oyi oyo p-p pcc pcd pce pci pco pcp pcx pdc pdd pde pdi pdo pdp pdx pec ped pee pei peo pep pex pey pic pid pie pii pio pip pix poc pod poe poi poo pop pox poy ppc ppd ppe ppi ppo ppp ppx pxc pxe py- pyc pyd pye pyo pyx xcd xci xcp xcx xdc xde xdi xed xee xep xex xic xie xii xio xix xoc xod xoi xoo xop xox xpc xpd xpe xpo xpp xxi xxo xxp xxx xxy xyp xyy ycc ycd yce yci yco ycp ycy yde ydo ydy yec yed yee yei yeo yep yex yey yid yie yii yio yip yoc yod yoe yoi yoo yop yox yoy ypd ypo yxe yxy yyc yye yyy