-er bbb bbd bbe bbg bbi bbn bbo bbr bdb bdd bde bdg bdi bdo bdr be- beb bed bee beg bei ben beo ber bgb bgd bge bgg bgi bgn bgo bgr bi- bib bid bie big bii bin bio bir bnb bnd bne bng bni bnn bno bnr bob bod boe bog boi bon boo bor brb brd bre brg bri brn bro brr dbb dbd dbe dbg dbi dbn dbo dbr ddb ddd dde ddg ddi ddn ddo ddr de- deb ded dee deg dei den deo der dgd dge dgg dgi dgn dgr di- dib did die dig dii din dio dir dnb dnd dne dng dni dnn dno dnr dob dod doe dog doi don doo dor drb drd dre drg dri drn dro drr ebb ebd ebe ebg ebi ebn ebo ebr ed- edb edd ede edg edi edn edo edr eeb eed eee eeg een eeo eer egb egd ege egg egi egn ego egr eib eid eie eig eii ein eio eir en- enb end ene eng eni enn eno enr eo- eob eod eoe eog eoi eon eoo eor erb erd ere erg eri ern ero err g-d gbd gbe gbg gbi gbn gbo gbr gdb gdd gde gdi gdn gdo gdr ge- geb ged gee geg gei gen geo ger ggb ggd ggg ggi ggn ggo ggr gib gid gie gig gii gin gio gir gnb gnd gne gni gnn gno gnr gob god goe gog goi gon goo gor grb grd gre grg gri grn gro grr i-d ibb ibd ibe ibg ibi ibn ibo ibr idb idd ide idg idi idn ido idr ie- ied iee ieg iei ien ier igb igd ige igg igi ign igo igr iib iid iie iii iin iio iir in- inb ind ine ing ini inn ino inr io- iob iod ioe iog ioi ion ioo ior ir- irb ird ire irg iri irn iro irr n-i nbb nbd nbe nbg nbi nbn nbo nbr ndb ndd nde ndg ndi ndn ndo ndr ne- neb ned nee neg nei nen neo ner ngb ngd nge ngg ngi ngn ngo nib nid nie nig nii nin nio nir nnb nne nng nni nnn nno no- nob nod noe nog noi non noo nor nrb nrd nre nrg nri nrn nro nrr o-i ob- obb obd obe obg obi obn obo obr odb odd ode odg odi odn odo odr oeb oed oee oeg oei oen oeo oer ogd oge ogg ogi ogn ogo oib oid oie oii oin oio oir on- onb ond one ong oni onn ono onr oo- oob ood oog ooi oon ooo oor or- orb ord ore org ori orn oro orr rbb rbd rbe rbg rbi rbn rbo rbr rdb rdd rde rdg rdi rdn rdo rdr re- reb red ree reg rei ren reo rer rgb rgd rge rgg rgi rgn rgo rgr rib rid rie rig rii rin rio rir rnb rnd rng rni rnn rno rnr rob rod roe rog roi ron roo ror rrb rrd rrg rri rrn rrr