-er ddd dde ddi ddn ddo ddp ddr ddz de- ded dee dei den deo dep der dez di- did die dii din dio dip dir diz dnd dne dni dnn dno dnp dnr dnz dod doe doi don doo dop dor doz dpd dpe dpi dpn dpo dpp dpr dpz drd dre dri drn dro drp drr drz dzd dze dzi dzo dzp dzr ed- edd ede edi edn edo edp edr eed eee een eeo eep eer eid eie eii ein eio eip eir en- end ene eni enn eno enp enr enz eo- eod eoe eoi eon eoo eop eor ep- epd epe epi epn epo epp epr epz erd ere eri ern ero erp err erz eze ezo ezr ezz i-d idd ide idi idn ido idp idr ie- ied iee iei ien iep ier iid iie iii iin iio iip iir in- ind ine ini inn ino inp inr io- iod ioe ioi ion ioo iop ior ipd ipe ipi ipn ipo ipp ipr ir- ird ire iri irn iro irp irr ize izi izo izz n-i ndd nde ndi ndn ndo ndp ndr ne- ned nee nei nen neo nep ner nez nid nie nii nin nio nip nir niz nne nni nnn nno nnp nnz no- nod noe noi non noo nop nor noz npd npe npi npn npo npp npr npz nrd nre nri nrn nro nrp nrr nrz nzd nze nzi nzo nzp nzz o-i odd ode odi odn odo odp odr oed oee oei oen oeo oep oer oid oie oii oin oio oip oir oiz on- ond one oni onn ono onp onr oo- ood ooi oon ooo oop oor op- opd ope opi opn opo opp opr or- ord ore ori orn oro orp orr orz oze ozo ozz p-p pdd pde pdi pdn pdo pdp pdr pdz ped pee pei pen peo pep per pez pid pie pii pin pio pip pir piz pn- pnd pne pni pnn pno pnp pnr pod poe poi pon poo pop por poz ppd ppe ppi ppn ppo ppp ppr ppz prd pre pri prn pro prp prr prz pzp rdd rde rdi rdn rdo rdp rdr re- red ree rei ren reo rep rer rez rid rie rii rin rio rip rir riz rnd rni rnn rno rnp rnr rnz rod roe roi ron roo rop ror roz rpd rpe rpi rpn rpo rpp rpr rpz rrd rri rrn rrp rrr rze rzo zed zee zen zeo zep zer zez zid zie zin zio zip zir ziz znd zne znn zno znp zo- zod zoe zoi zon zoo zor zpe zpi zpo zpp zpr zro zrp zzr zzz