-er bbb bbd bbe bbg bbi bbn bbo bbr bdb bdd bde bdg bdi bdo bdr bdz be- beb bed bee beg bei ben beo ber bez bgb bgd bge bgg bgi bgn bgo bgr bgz bi- bib bid bie big bii bin bio bir biz bnb bnd bne bng bni bnn bno bnr bnz bob bod boe bog boi bon boo bor boz brb brd bre brg bri brn bro brr brz bzd bze bzn bzo bzr bzz dbb dbd dbe dbg dbi dbn dbo dbr dbz ddb ddd dde ddg ddi ddn ddo ddr ddz de- deb ded dee deg dei den deo der dez dgd dge dgg dgi dgn dgr dgz di- dib did die dig dii din dio dir diz dnb dnd dne dng dni dnn dno dnr dnz dob dod doe dog doi don doo dor doz drb drd dre drg dri drn dro drr drz dzb dzd dze dzi dzo dzr 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 enz eo- eob eod eoe eog eoi eon eoo eor erb erd ere erg eri ern ero err erz eze ezo ezr ezz g-d gbd gbe gbg gbi gbn gbo gbr gbz gdb gdd gde gdi gdn gdo gdr ge- geb ged gee geg gei gen geo ger gez ggb ggd ggg ggi ggn ggo ggr ggz gib gid gie gig gii gin gio gir giz gnb gnd gne gni gnn gno gnr gob god goe gog goi gon goo gor goz grb grd gre grg gri grn gro grr gzo gzr i-d ibb ibd ibe ibg ibi ibn ibo ibr ibz 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 ize izi izo izz 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 nez ngb ngd nge ngg ngi ngn ngo nib nid nie nig nii nin nio nir niz nnb nne nng nni nnn nno nnz no- nob nod noe nog noi non noo nor noz nrb nrd nre nrg nri nrn nro nrr nrz nzb nzd nze nzg nzi nzo nzz 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 oiz 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 orz oze ozo ozz 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 rez rgb rgd rge rgg rgi rgn rgo rgr rib rid rie rig rii rin rio rir riz rnb rnd rng rni rnn rno rnr rnz rob rod roe rog roi ron roo ror roz rrb rrd rrg rri rrn rrr rzb rze rzo z-g zbb zbr zeb zed zee zen zeo zer zez zgb zgg zgi zib zid zie zig zin zio zir ziz znd zne znn zno zo- zob zod zoe zog zoi zon zoo zor zro zzr zzz