-er bbb bbd bbe bbi bbn bbo bbr bdb bdd bde bdi bdo bdr be- beb bed bee bei ben beo ber bi- bib bid bie bii bin bio bir bnb bnd bne bni bnn bno bnr bob bod boe boi bon boo bor brb brd bre bri brn bro brr dbb dbd dbe dbi dbn dbo dbr ddb ddd dde ddi ddn ddo ddr de- deb ded dee dei den deo der di- dib did die dii din dio dir dnb dnd dne dni dnn dno dnr dob dod doe doi don doo dor drb drd dre dri drn dro drr 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 eo- eob eod eoe eoi eon eoo eor erb erd ere eri ern ero err i-d ibb ibd ibe ibi ibn ibo ibr 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 n-i nbb nbd nbe nbi nbn nbo nbr ndb ndd nde ndi ndn ndo ndr ne- neb ned nee nei nen neo ner nib nid nie nii nin nio nir nnb nne nni nnn nno no- nob nod noe noi non noo nor nrb nrd nre nri nrn nro nrr 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 on- onb ond one oni onn ono onr oo- oob ood ooi oon ooo oor or- orb ord ore ori orn oro orr rbb rbd rbe rbi rbn rbo rbr rdb rdd rde rdi rdn rdo rdr re- reb red ree rei ren reo rer rib rid rie rii rin rio rir rnb rnd rni rnn rno rnr rob rod roe roi ron roo ror rrb rrd rri rrn rrr