-er ddd dde ddh ddi ddo ddp ddr de- ded dee deh dei deo dep der dh- dhd dhe dhh dhi dho dhp dhr di- did die dih dii dio dip dir dod doe doh doi doo dop dor dpd dpe dph dpi dpo dpp dpr drd dre dri dro drp drr ed- edd ede edh edi edo edp edr eed eee eeo eep eer ehd ehe ehh ehi eho ehp ehr eid eie eii eio eip eir eo- eod eoe eoh eoi eoo eop eor ep- epd epe eph epi epo epp epr erd ere erh eri ero erp err h-i hdd hde hdh hdi hdo hdp hdr he- hed hee heh hei heo hep her hhd hhe hhh hhi hho hhp hhr hid hie hih hii hio hip hir hod hoe hoh hoi hoo hop hor hpd hpe hph hpi hpo hpp hpr hr- hrd hre hrh hri hro hrp hrr i-d idd ide idh idi ido idp idr ie- ied iee iei iep ier ihd ihe ihh ihi iho ihp ihr iid iie iih iii iio iip iir io- iod ioe ioh ioi ioo iop ior ipd ipe ipi ipo ipp ipr ir- ird ire iri iro irp irr o-i odd ode odh odi odo odp odr oed oee oeh oei oeo oep oer ohd ohe ohh ohi oho ohp ohr oid oie oii oio oip oir oo- ood ooh ooi ooo oop oor op- opd ope oph opi opo opp opr or- ord ore orh ori oro orp orr p-p pdd pde pdh pdi pdo pdp pdr ped pee peh pei peo pep per phd phe phi pho php phr pid pie pih pii pio pip pir pod poe poh poi poo pop por ppd ppe pph ppi ppo ppp ppr prd pre prh pri pro prp prr rdd rde rdh rdi rdo rdp rdr re- red ree reh rei reo rep rer rh- rhd rhe rhh rhi rho rhp rhr rid rie rih rii rio rip rir rod roe roh roi roo rop ror rpd rpe rph rpi rpo rpp rpr rrd rrh rri rrp rrr