-er -ic c-- ccc ccd cce cch cci cco ccr ccs cdc cdd cde cdh cdi cdo cdr cds ce- cec ced cee ceh cei ceo cer ces ch- chc chd che chh chi cho chr chs ci- cic cid cie cih cii cio cir cis co- coc cod coe coh coi coo cor cos crc crd cre crh cri cro crr crs csc csd cse csh csi cso csr css dcc dcd dce dci dco dcr dcs ddc ddd dde ddh ddi ddo ddr dds de- dec ded dee deh dei deo der des dh- dhc dhd dhe dhh dhi dho dhr dhs di- dic did die dih dii dio dir dis doc dod doe doh doi doo dor dos drc drd dre dri dro drr drs dsc dsd dse dsh dsi dso dsr dss ec- ecc ecd ece ech eci eco ecr ecs ed- edc edd ede edh edi edo edr eds eec eed eee eeo eer ees ehc ehd ehe ehh ehi eho ehr ehs eic eid eie eii eio eir eis eo- eoc eod eoe eoh eoi eoo eor eos erc erd ere erh eri ero err ers es- esc esd ese esh esi eso esr ess h-i hcc hcd hce hch hci hco hcr hcs hdc hdd hde hdh hdi hdo hdr hds he- hec hed hee heh hei heo her hes hhc hhd hhe hhh hhi hho hhr hhs hic hid hie hih hii hio hir his hoc hod hoe hoh hoi hoo hor hos hr- hrc hrd hre hrh hri hro hrr hrs hsc hsd hse hsh hsi hsr hss i-d icc icd ice ich ici ico icr ics idc idd ide idh idi ido idr ids ie- iec ied iee iei ier ies ihc ihd ihe ihh ihi iho ihr ihs iic iid iie iih iii iio iir iis io- ioc iod ioe ioh ioi ioo ior ios ir- irc ird ire iri iro irr irs is- isc isd ise ish isi iso isr iss o-i oc- occ ocd och oci oco ocr ocs odc odd ode odh odi odo odr ods oec oed oee oeh oei oeo oer oes ohc ohd ohe ohh ohi oho ohr ohs oic oid oie oii oio oir ois oo- ooc ood ooh ooi ooo oor oos or- orc ord ore orh ori oro orr ors os- osc osd ose osh osi oso osr oss rcc rcd rce rch rci rco rcr rcs rdc rdd rde rdh rdi rdo rdr rds re- rec red ree reh rei reo rer res rh- rhc rhd rhe rhh rhi rho rhr rhs ric rid rie rih rii rio rir ris roc rod roe roh roi roo ror ros rrc rrd rrh rri rrr rrs rsc rsd rse rsh rsi rso rsr rss scc scd sce sch sci sco scr scs sdc sdd sde sdh sdi sdo sdr sds se- sec sed see seh sei seo ser ses sh- shc shd she shh shi sho shr shs sic sid sie sih sii sio sir sis soc sod soe soh soi soo sor sos sr- src srd sre srh sri sro srr srs ss- ssc ssd sse ssh ssi sso ssr sss