-er -ic c-- ccc ccd cce cch cci ccr ccs cdc cdd cde cdh cdi cdr cds ce- cec ced cee ceh cei cer ces ch- chc chd che chh chi chr chs ci- cic cid cie cih cii cir cis crc crd cre crh cri crr crs csc csd cse csh csi csr css dcc dcd dce dci dcr dcs ddc ddd dde ddh ddi ddr dds de- dec ded dee deh dei der des dh- dhc dhd dhe dhh dhi dhr dhs di- dic did die dih dii dir dis drc drd dre dri drr drs dsc dsd dse dsh dsi dsr dss ec- ecc ecd ece ech eci ecr ecs ed- edc edd ede edh edi edr eds eec eed eee eer ees ehc ehd ehe ehh ehi ehr ehs eic eid eie eii eir eis erc erd ere erh eri err ers es- esc esd ese esh esi esr ess h-i hcc hcd hce hch hci hcr hcs hdc hdd hde hdh hdi hdr hds he- hec hed hee heh hei her hes hhc hhd hhe hhh hhi hhr hhs hic hid hie hih hii hir his hr- hrc hrd hre hrh hri hrr hrs hsc hsd hse hsh hsi hsr hss i-d icc icd ice ich ici icr ics idc idd ide idh idi idr ids ie- iec ied iee iei ier ies ihc ihd ihe ihh ihi ihr ihs iic iid iie iih iii iir iis ir- irc ird ire iri irr irs is- isc isd ise ish isi isr iss rcc rcd rce rch rci rcr rcs rdc rdd rde rdh rdi rdr rds re- rec red ree reh rei rer res rh- rhc rhd rhe rhh rhi rhr rhs ric rid rie rih rii rir ris rrc rrd rrh rri rrr rrs rsc rsd rse rsh rsi rsr rss scc scd sce sch sci scr scs sdc sdd sde sdh sdi sdr sds se- sec sed see seh sei ser ses sh- shc shd she shh shi shr shs sic sid sie sih sii sir sis sr- src srd sre srh sri srr srs ss- ssc ssd sse ssh ssi ssr sss