-er bbb bbd bbe bbi bbn bbo bbr bdb bdd bde bdi bdo bdr bdz be- beb bed bee bei ben beo ber bez bi- bib bid bie bii bin bio bir biz bnb bnd bne bni bnn bno bnr bnz bob bod boe boi bon boo bor boz brb brd bre bri brn bro brr brz bzd bze bzn bzo bzr bzz dbb dbd dbe dbi dbn dbo dbr dbz ddb ddd dde ddi ddn ddo ddr ddz de- deb ded dee dei den deo der dez di- dib did die dii din dio dir diz dnb dnd dne dni dnn dno dnr dnz dob dod doe doi don doo dor doz drb drd dre dri drn dro drr drz dzb dzd dze dzi dzo dzr ebb ebd ebe ebi ebn ebo ebr ed- edb edd ede edi edn edo edr eeb eed eee een eeo eer eib eid eie eii ein eio eir en- enb end ene eni enn eno enr enz eo- eob eod eoe eoi eon eoo eor erb erd ere eri ern ero err erz eze ezo ezr ezz i-d ibb ibd ibe ibi ibn ibo ibr ibz idb idd ide idi idn ido idr ie- ied iee iei ien ier iib iid iie iii iin iio iir in- inb ind ine ini inn ino inr io- iob iod ioe ioi ion ioo ior ir- irb ird ire iri irn iro irr ize izi izo izz n-i nbb nbd nbe nbi nbn nbo nbr ndb ndd nde ndi ndn ndo ndr ne- neb ned nee nei nen neo ner nez nib nid nie nii nin nio nir niz nnb nne nni nnn nno nnz no- nob nod noe noi non noo nor noz nrb nrd nre nri nrn nro nrr nrz nzb nzd nze nzi nzo nzz o-i ob- obb obd obe obi obn obo obr odb odd ode odi odn odo odr oeb oed oee oei oen oeo oer oib oid oie oii oin oio oir oiz on- onb ond one oni onn ono onr oo- oob ood ooi oon ooo oor or- orb ord ore ori orn oro orr orz oze ozo ozz rbb rbd rbe rbi rbn rbo rbr rdb rdd rde rdi rdn rdo rdr re- reb red ree rei ren reo rer rez rib rid rie rii rin rio rir riz rnb rnd rni rnn rno rnr rnz rob rod roe roi ron roo ror roz rrb rrd rri rrn rrr rzb rze rzo zbb zbr zeb zed zee zen zeo zer zez zib zid zie zin zio zir ziz znd zne znn zno zo- zob zod zoe zoi zon zoo zor zro zzr zzz