-er -ey -ic c-- ccc ccd cce cci cco ccr ccs cct cdc cdd cde cdi cdo cdr cds cdt cdy ce- cec ced cee cei ceo cer ces cet cey ci- cic cid cie cii cio cir cis cit co- coc cod coe coi coo cor cos cot coy crc crd cre cri cro crr crs crt cry csc csd cse csi cso csr css cst csy ctc ctd cte cti cto ctr cts ctt cty cyc cyd cye cyo cyr cys cyt dcc dcd dce dci dco dcr dcs dct ddc ddd dde ddi ddo ddr dds ddt ddy de- dec ded dee dei deo der des det dey di- dic did die dii dio dir dis dit diy doc dod doe doi doo dor dos dot doy drc drd dre dri dro drr drs drt dry dsc dsd dse dsi dso dsr dss dst dsy dtc dtd dte dti dto dtr dts dtt dty dy- dyc dyd dye dyo dyr dys dyy ec- ecc ecd ece eci eco ecr ecs ect ed- edc edd ede edi edo edr eds edt edy eec eed eee eeo eer ees eet eey eic eid eie eii eio eir eis eit eo- eoc eod eoe eoi eoo eor eos eot erc erd ere eri ero err ers ert ery es- esc esd ese esi eso esr ess est esy etc etd ete eti eto etr ets ett ety eyc eyd eye eyo eyr eys eyt i-d icc icd ice ici ico icr ics ict icy idc idd ide idi ido idr ids idt idy ie- iec ied iee iei ier ies iet iey iic iid iie iii iio iir iis iit io- ioc iod ioe ioi ioo ior ios iot ir- irc ird ire iri iro irr irs irt iry is- isc isd ise isi iso isr iss ist isy itc itd ite iti ito its itt ity iyc iye iyo iyr iys iyt iyy o-i oc- occ ocd oci oco ocr ocs oct odc odd ode odi odo odr ods odt oec oed oee oei oeo oer oes oet oey oic oid oie oii oio oir ois oit oo- ooc ood ooi ooo oor oos oot or- orc ord ore ori oro orr ors ort ory os- osc osd ose osi oso osr oss ost ot- otc otd ote oti oto otr ots ott oyd oye oyi oyo oys rcc rcd rce rci rco rcr rcs rct rdc rdd rde rdi rdo rdr rds rdt rdy re- rec red ree rei reo rer res ret rey ric rid rie rii rio rir ris rit riy roc rod roe roi roo ror ros rot roy rrc rrd rri rrr rrs rrt rsc rsd rse rsi rso rsr rss rst rtc rtd rte rti rto rtr rts rtt rty ry- ryc ryd rye ryo ryr rys ryy scc scd sce sci sco scr scs sct sdc sdd sde sdi sdo sdr sds sdt sdy se- sec sed see sei seo ser ses set sey sic sid sie sii sio sir sis sit soc sod soe soi soo sor sos sot soy sr- src srd sre sri sro srr srs srt sry ss- ssc ssd sse ssi sso ssr sss sst stc std ste sti sto str sts stt sty sy- syc syd sye syi syr sys syt tcc tcd tce tci tco tcr tcs tct tdc tdd tde tdi tdo tdr tds tdt tdy te- tec ted tee tei teo ter tes tet tey tic tid tie tii tio tir tis tit tiy to- toc tod toe toi too tor tos tot toy trc trd tre tri tro trr trs trt try tsc tsd tse tsi tso tsr tss tst tsy ttc ttd tte tti tto ttr tts ttt tty tyc tyd tye tyo tyr tys tyt ycc ycd yce yci yco ycs ycy yde ydo yds ydt ydy yec yed yee yei yeo yer yes yet yey yid yie yii yio yir yis yit yoc yod yoe yoi yoo yor yos yot yoy yrc yre yro yrs yrt ysc yse ysi yso ysr yss yst ysy ytc ytd yte yto ytr yts ytt yyc yye yys yyt yyy