-er -ic c-- ccc ccd cce cch cci ccp ccr ccs cdc cdd cde cdh cdi cdp cdr cds ce- cec ced cee ceh cei cep cer ces ch- chc chd che chh chi chp chr chs ci- cic cid cie cih cii cip cir cis cpc cpd cpe cph cpi cpp cpr cps crc crd cre crh cri crp crr crs csc csd cse csh csi csp csr css dcc dcd dce dci dcp dcr dcs ddc ddd dde ddh ddi ddp ddr dds de- dec ded dee deh dei dep der des dh- dhc dhd dhe dhh dhi dhp dhr dhs di- dic did die dih dii dip dir dis dpc dpd dpe dph dpi dpp dpr dps drc drd dre dri drp drr drs dsc dsd dse dsh dsi dsp dsr dss ec- ecc ecd ece ech eci ecr ecs ed- edc edd ede edh edi edp edr eds eec eed eee eep eer ees ehc ehd ehe ehh ehi ehp ehr ehs eic eid eie eii eip eir eis ep- epc epd epe eph epi epp epr eps erc erd ere erh eri erp err ers es- esc esd ese esh esi esp esr ess h-i hcc hcd hce hch hci hcp hcr hcs hdc hdd hde hdh hdi hdp hdr hds he- hec hed hee heh hei hep her hes hhc hhd hhe hhh hhi hhp hhr hhs hic hid hie hih hii hip hir his hpc hpd hpe hph hpi hpp hpr hps hr- hrc hrd hre hrh hri hrp hrr hrs hsc hsd hse hsh hsi hsp hsr hss i-d icc icd ice ich ici icp icr ics idc idd ide idh idi idp idr ids ie- iec ied iee iei iep ier ies ihc ihd ihe ihh ihi ihp ihr ihs iic iid iie iih iii iip iir iis ipc ipd ipe ipi ipp ipr ips ir- irc ird ire iri irp irr irs is- isc isd ise ish isi isp isr iss p-p pcc pcd pce pch pci pcp pcr pcs pdc pdd pde pdh pdi pdp pdr pds pec ped pee peh pei pep per pes phc phd phe phi php phr phs pic pid pie pih pii pip pir pis ppc ppd ppe pph ppi ppp ppr pps prc prd pre prh pri prp prr prs ps- psc psd pse psh psi psp psr pss rcc rcd rce rch rci rcp rcr rcs rdc rdd rde rdh rdi rdp rdr rds re- rec red ree reh rei rep rer res rh- rhc rhd rhe rhh rhi rhp rhr rhs ric rid rie rih rii rip rir ris rpc rpd rpe rph rpi rpp rpr rps rrc rrd rrh rri rrp rrr rrs rsc rsd rse rsh rsi rsp rsr rss scc scd sce sch sci scp scr scs sdc sdd sde sdh sdi sdp sdr sds se- sec sed see seh sei sep ser ses sh- shc shd she shh shi shp shr shs sic sid sie sih sii sip sir sis spc spd spe sph spi spp spr sps sr- src srd sre srh sri srp srr srs ss- ssc ssd sse ssh ssi ssp ssr sss