-er -ey -ic c-- ccc ccd cce cch cci cco ccr ccs ccx cdc cdd cde cdh cdi cdo cdr cds cdx cdy ce- cec ced cee ceh cei ceo cer ces cex cey ch- chc chd che chh chi cho chr chs chx chy ci- cic cid cie cih cii cio cir cis cix co- coc cod coe coh coi coo cor cos cox coy crc crd cre crh cri cro crr crs crx cry csc csd cse csh csi cso csr css csx csy cxc cxh cxi cxo cxr cxs cxx cyc cyd cye cyo cyr cys dcc dcd dce dci dco dcr dcs dcx ddc ddd dde ddh ddi ddo ddr dds ddx ddy de- dec ded dee deh dei deo der des dex dey dh- dhc dhd dhe dhh dhi dho dhr dhs di- dic did die dih dii dio dir dis dix diy doc dod doe doh doi doo dor dos dox doy drc drd dre dri dro drr drs drx dry dsc dsd dse dsh dsi dso dsr dss dsx dsy dxc dxd dxi dxo dxr dxs dxx dy- dyc dyd dye dyo dyr dys dyy ec- ecc ecd ece ech eci eco ecr ecs ecx ed- edc edd ede edh edi edo edr eds edx edy eec eed eee eeo eer ees eex eey ehc ehd ehe ehh ehi eho ehr ehs eic eid eie eii eio eir eis eix eo- eoc eod eoe eoh eoi eoo eor eos erc erd ere erh eri ero err ers ery es- esc esd ese esh esi eso esr ess esx esy ex- exc exd exe exh exi exo exr exs exx exy eyc eyd eye eyo eyr eys h-i hcc hcd hce hch hci hco hcr hcs hcy hdc hdd hde hdh hdi hdo hdr hds hdx hdy he- hec hed hee heh hei heo her hes hex hey hhc hhd hhe hhh hhi hho hhr hhs hhy hic hid hie hih hii hio hir his hix hoc hod hoe hoh hoi hoo hor hos hox hoy hr- hrc hrd hre hrh hri hro hrr hrs hsc hsd hse hsh hsi hsr hss hsx hsy hxc hxd hy- hyc hyd hye hyh hyi hyo hyr hys hyy i-d icc icd ice ich ici ico icr ics icy idc idd ide idh idi ido idr ids idx idy ie- iec ied iee iei ier ies iex iey ihc ihd ihe ihh ihi iho ihr ihs ihy iic iid iie iih iii iio iir iis iix io- ioc iod ioe ioh ioi ioo ior ios ir- irc ird ire iri iro irr irs irx iry is- isc isd ise ish isi iso isr iss isy ixc ixe ixi ixy iyc iye iyo iyr iys iyy o-i oc- occ ocd och oci oco ocr ocs ocx odc odd ode odh odi odo odr ods oec oed oee oeh oei oeo oer oes oex oey ohc ohd ohe ohh ohi oho ohr ohs oic oid oie oii oio oir ois oo- ooc ood ooh ooi ooo oor oos oox or- orc ord ore orh ori oro orr ors orx ory os- osc osd ose osh osi oso osr oss osx ox- oxc oxi oxo oxx oxy oyd oye oyi oyo oys rcc rcd rce rch rci rco rcr rcs rcx rdc rdd rde rdh rdi rdo rdr rds rdx rdy re- rec red ree reh rei reo rer res rex rey rh- rhc rhd rhe rhh rhi rho rhr rhs ric rid rie rih rii rio rir ris rix riy roc rod roe roh roi roo ror ros rox roy rrc rrd rrh rri rrr rrs rsc rsd rse rsh rsi rso rsr rss rsx rxr rxs ry- ryc ryd rye ryo ryr rys ryy scc scd sce sch sci sco scr scs scx sdc sdd sde sdh sdi sdo sdr sds sdy se- sec sed see seh sei seo ser ses sex sey sh- shc shd she shh shi sho shr shs shy sic sid sie sih sii sio sir sis six soc sod soe soh soi soo sor sos sox soy sr- src srd sre srh sri sro srr srs srx sry ss- ssc ssd sse ssh ssi sso ssr sss ssx sxc sxi sxs sy- syc syd sye syh syi syr sys syx xcd xch xci xcr xcx xdc xde xdh xdi xdr xds xed xee xer xes xex xhd xic xie xii xio xis xix xoc xod xoi xoo xor xos xox xrc xrd xrx xry xsc xsi xss xxi xxo xxx xxy xyr xyy ycc ycd yce ych yci yco ycs ycy yde ydo yds ydy yec yed yee yeh yei yeo yer yes yex yey yhc yhe yhi yhs yid yie yih yii yio yir yis yoc yod yoe yoi yoo yor yos yox yoy yrc yre yro yrs ysc yse ysi yso ysr yss ysy yxe yxy yyc yye yys yyy