-er ddd dde ddh ddi ddo ddp ddr dds de- ded dee deh dei deo dep der des dh- dhd dhe dhh dhi dho dhp dhr dhs di- did die dih dii dio dip dir dis dod doe doh doi doo dop dor dos dpd dpe dph dpi dpo dpp dpr dps drd dre dri dro drp drr drs dsd dse dsh dsi dso dsp dsr dss ed- edd ede edh edi edo edp edr eds eed eee eeo eep eer ees ehd ehe ehh ehi eho ehp ehr ehs eid eie eii eio eip eir eis eo- eod eoe eoh eoi eoo eop eor eos ep- epd epe eph epi epo epp epr eps erd ere erh eri ero erp err ers es- esd ese esh esi eso esp esr ess h-i hdd hde hdh hdi hdo hdp hdr hds he- hed hee heh hei heo hep her hes hhd hhe hhh hhi hho hhp hhr hhs hid hie hih hii hio hip hir his hod hoe hoh hoi hoo hop hor hos hpd hpe hph hpi hpo hpp hpr hps hr- hrd hre hrh hri hro hrp hrr hrs hsd hse hsh hsi hsp hsr hss i-d idd ide idh idi ido idp idr ids ie- ied iee iei iep ier ies ihd ihe ihh ihi iho ihp ihr ihs iid iie iih iii iio iip iir iis io- iod ioe ioh ioi ioo iop ior ios ipd ipe ipi ipo ipp ipr ips ir- ird ire iri iro irp irr irs is- isd ise ish isi iso isp isr iss o-i odd ode odh odi odo odp odr ods oed oee oeh oei oeo oep oer oes ohd ohe ohh ohi oho ohp ohr ohs oid oie oii oio oip oir ois oo- ood ooh ooi ooo oop oor oos op- opd ope oph opi opo opp opr ops or- ord ore orh ori oro orp orr ors os- osd ose osh osi oso osp osr oss p-p pdd pde pdh pdi pdo pdp pdr pds ped pee peh pei peo pep per pes phd phe phi pho php phr phs pid pie pih pii pio pip pir pis pod poe poh poi poo pop por pos ppd ppe pph ppi ppo ppp ppr pps prd pre prh pri pro prp prr prs ps- psd pse psh psi pso psp psr pss rdd rde rdh rdi rdo rdp rdr rds re- red ree reh rei reo rep rer res rh- rhd rhe rhh rhi rho rhp rhr rhs rid rie rih rii rio rip rir ris rod roe roh roi roo rop ror ros rpd rpe rph rpi rpo rpp rpr rps rrd rrh rri rrp rrr rrs rsd rse rsh rsi rso rsp rsr rss sdd sde sdh sdi sdo sdp sdr sds se- sed see seh sei seo sep ser ses sh- shd she shh shi sho shp shr shs sid sie sih sii sio sip sir sis sod soe soh soi soo sop sor sos spd spe sph spi spo spp spr sps sr- srd sre srh sri sro srp srr srs ss- ssd sse ssh ssi sso ssp ssr sss