-er -ey -ic c-- ccc ccd cce cci cco ccr ccs cdc cdd cde cdi cdo cdr cds cdy ce- cec ced cee cei ceo cer ces cey ci- cic cid cie cii cio cir cis co- coc cod coe coi coo cor cos coy crc crd cre cri cro crr crs cry csc csd cse csi cso csr css csy cyc cyd cye cyo cyr cys dcc dcd dce dci dco dcr dcs ddc ddd dde ddi ddo ddr dds ddy de- dec ded dee dei deo der des dey di- dic did die dii dio dir dis diy doc dod doe doi doo dor dos doy drc drd dre dri dro drr drs dry dsc dsd dse dsi dso dsr dss dsy dy- dyc dyd dye dyo dyr dys dyy ec- ecc ecd ece eci eco ecr ecs ed- edc edd ede edi edo edr eds edy eec eed eee eeo eer ees eey eic eid eie eii eio eir eis eo- eoc eod eoe eoi eoo eor eos erc erd ere eri ero err ers ery es- esc esd ese esi eso esr ess esy eyc eyd eye eyo eyr eys i-d icc icd ice ici ico icr ics icy idc idd ide idi ido idr ids idy ie- iec ied iee iei ier ies iey iic iid iie iii iio iir iis io- ioc iod ioe ioi ioo ior ios ir- irc ird ire iri iro irr irs iry is- isc isd ise isi iso isr iss isy iyc iye iyo iyr iys iyy o-i oc- occ ocd oci oco ocr ocs odc odd ode odi odo odr ods oec oed oee oei oeo oer oes oey oic oid oie oii oio oir ois oo- ooc ood ooi ooo oor oos or- orc ord ore ori oro orr ors ory os- osc osd ose osi oso osr oss oyd oye oyi oyo oys rcc rcd rce rci rco rcr rcs rdc rdd rde rdi rdo rdr rds rdy re- rec red ree rei reo rer res rey ric rid rie rii rio rir ris riy roc rod roe roi roo ror ros roy rrc rrd rri rrr rrs rsc rsd rse rsi rso rsr rss ry- ryc ryd rye ryo ryr rys ryy scc scd sce sci sco scr scs sdc sdd sde sdi sdo sdr sds sdy se- sec sed see sei seo ser ses sey sic sid sie sii sio sir sis soc sod soe soi soo sor sos soy sr- src srd sre sri sro srr srs sry ss- ssc ssd sse ssi sso ssr sss sy- syc syd sye syi syr sys ycc ycd yce yci yco ycs ycy yde ydo yds ydy yec yed yee yei yeo yer yes yey yid yie yii yio yir yis yoc yod yoe yoi yoo yor yos yoy yrc yre yro yrs ysc yse ysi yso ysr yss ysy yyc yye yys yyy