-er -ey -ic c-- ccc ccd cce cch cci cco ccr cdc cdd cde cdh cdi cdo cdr cdy ce- cec ced cee ceh cei ceo cer cey ch- chc chd che chh chi cho chr chy ci- cic cid cie cih cii cio cir co- coc cod coe coh coi coo cor coy crc crd cre crh cri cro crr cry cyc cyd cye cyo cyr dcc dcd dce dci dco dcr ddc ddd dde ddh ddi ddo ddr ddy de- dec ded dee deh dei deo der dey dh- dhc dhd dhe dhh dhi dho dhr di- dic did die dih dii dio dir diy doc dod doe doh doi doo dor doy drc drd dre dri dro drr dry dy- dyc dyd dye dyo dyr dyy ec- ecc ecd ece ech eci eco ecr ed- edc edd ede edh edi edo edr edy eec eed eee eeo eer eey ehc ehd ehe ehh ehi eho ehr eic eid eie eii eio eir eo- eoc eod eoe eoh eoi eoo eor erc erd ere erh eri ero err ery eyc eyd eye eyo eyr h-i hcc hcd hce hch hci hco hcr hcy hdc hdd hde hdh hdi hdo hdr hdy he- hec hed hee heh hei heo her hey hhc hhd hhe hhh hhi hho hhr hhy hic hid hie hih hii hio hir hoc hod hoe hoh hoi hoo hor hoy hr- hrc hrd hre hrh hri hro hrr hy- hyc hyd hye hyh hyi hyo hyr hyy i-d icc icd ice ich ici ico icr icy idc idd ide idh idi ido idr idy ie- iec ied iee iei ier iey ihc ihd ihe ihh ihi iho ihr ihy iic iid iie iih iii iio iir io- ioc iod ioe ioh ioi ioo ior ir- irc ird ire iri iro irr iry iyc iye iyo iyr iyy o-i oc- occ ocd och oci oco ocr odc odd ode odh odi odo odr oec oed oee oeh oei oeo oer oey ohc ohd ohe ohh ohi oho ohr oic oid oie oii oio oir oo- ooc ood ooh ooi ooo oor or- orc ord ore orh ori oro orr ory oyd oye oyi oyo rcc rcd rce rch rci rco rcr rdc rdd rde rdh rdi rdo rdr rdy re- rec red ree reh rei reo rer rey rh- rhc rhd rhe rhh rhi rho rhr ric rid rie rih rii rio rir riy roc rod roe roh roi roo ror roy rrc rrd rrh rri rrr ry- ryc ryd rye ryo ryr ryy ycc ycd yce ych yci yco ycy yde ydo ydy yec yed yee yeh yei yeo yer yey yhc yhe yhi yid yie yih yii yio yir yoc yod yoe yoi yoo yor yoy yrc yre yro yyc yye yyy