-er c-- ccc ccd cce cch cco ccr ccz cdc cdd cde cdh cdo cdr cdz ce- cec ced cee ceh ceo cer cez ch- chc chd che chh cho chr chz co- coc cod coe coh coo cor coz crc crd cre crh cro crr crz cz- czc czd cze czo dcc dcd dce dco dcr ddc ddd dde ddh ddo ddr ddz de- dec ded dee deh deo der dez dh- dhc dhd dhe dhh dho dhr doc dod doe doh doo dor doz drc drd dre dro drr drz dzd dze dzo dzr ec- ecc ecd ece ech eco ecr ed- edc edd ede edh edo edr eec eed eee eeo eer ehc ehd ehe ehh eho ehr eo- eoc eod eoe eoh eoo eor erc erd ere erh ero err erz eze ezh ezo ezr ezz hcc hcd hce hch hco hcr hdc hdd hde hdh hdo hdr hdz he- hec hed hee heh heo her hez hhc hhd hhe hhh hho hhr hhz hoc hod hoe hoh hoo hor hr- hrc hrd hre hrh hro hrr hrz hzd hze hzo oc- occ ocd och oco ocr ocz odc odd ode odh odo odr oec oed oee oeh oeo oer ohc ohd ohe ohh oho ohr oo- ooc ood ooh ooo oor or- orc ord ore orh oro orr orz oze ozo ozz rcc rcd rce rch rco rcr rdc rdd rde rdh rdo rdr re- rec red ree reh reo rer rez rh- rhc rhd rhe rhh rho rhr roc rod roe roh roo ror roz rrc rrd rrh rrr rze rzo zce zco zec zed zee zeh zeo zer zez zhc zhe zho zhr zo- zoc zod zoe zoo zor zrh zro zzr zzz