-er ddd dde ddh ddn ddp ddr de- ded dee deh den dep der dh- dhd dhe dhh dhp dhr dnd dne dnh dnn dnp dnr dpd dpe dph dpn dpp dpr drd dre drn drp drr ed- edd ede edh edn edp edr eed eee een eep eer ehd ehe ehh ehn ehp ehr en- end ene enh enn enp enr ep- epd epe eph epn epp epr erd ere erh ern erp err hdd hde hdh hdn hdp hdr he- hed hee heh hen hep her hhd hhe hhh hhn hhp hhr hnd hne hnh hnn hpd hpe hph hpn hpp hpr hr- hrd hre hrh hrn hrp hrr ndd nde ndh ndn ndp ndr ne- ned nee neh nen nep ner nhd nhe nhh nhn nhp nhr nne nnh nnn nnp npd npe nph npn npp npr nrd nre nrn nrp nrr p-p pdd pde pdh pdn pdp pdr ped pee peh pen pep per phd phe phn php phr pn- pnd pne pnh pnn pnp pnr ppd ppe pph ppn ppp ppr prd pre prh prn prp prr rdd rde rdh rdn rdp rdr re- red ree reh ren rep rer rh- rhd rhe rhh rhn rhp rhr rnd rnh rnn rnp rnr rpd rpe rph rpn rpp rpr rrd rrh rrn rrp rrr