-er bbb bbd bbe bbg bbi bbo bbr bdb bdd bde bdg bdi bdo bdr bdz be- beb bed bee beg bei beo ber bez bgb bgd bge bgg bgi bgo bgr bgz bi- bib bid bie big bii bio bir biz bob bod boe bog boi boo bor boz brb brd bre brg bri bro brr brz bzd bze bzo bzr bzz dbb dbd dbe dbg dbi dbo dbr dbz ddb ddd dde ddg ddi ddo ddr ddz de- deb ded dee deg dei deo der dez dgd dge dgg dgi dgr dgz di- dib did die dig dii dio dir diz dob dod doe dog doi doo dor doz drb drd dre drg dri dro drr drz dzb dzd dze dzi dzo dzr ebb ebd ebe ebg ebi ebo ebr ed- edb edd ede edg edi edo edr eeb eed eee eeg eeo eer egb egd ege egg egi ego egr eib eid eie eig eii eio eir eo- eob eod eoe eog eoi eoo eor erb erd ere erg eri ero err erz eze ezo ezr ezz g-d gbd gbe gbg gbi gbo gbr gbz gdb gdd gde gdi gdo gdr ge- geb ged gee geg gei geo ger gez ggb ggd ggg ggi ggo ggr ggz gib gid gie gig gii gio gir giz gob god goe gog goi goo gor goz grb grd gre grg gri gro grr gzo gzr i-d ibb ibd ibe ibg ibi ibo ibr ibz idb idd ide idg idi ido idr ie- ied iee ieg iei ier igb igd ige igg igi igo igr iib iid iie iii iio iir io- iob iod ioe iog ioi ioo ior ir- irb ird ire irg iri iro irr ize izi izo izz o-i ob- obb obd obe obg obi obo obr odb odd ode odg odi odo odr oeb oed oee oeg oei oeo oer ogd oge ogg ogi ogo oib oid oie oii oio oir oiz oo- oob ood oog ooi ooo oor or- orb ord ore org ori oro orr orz oze ozo ozz rbb rbd rbe rbg rbi rbo rbr rdb rdd rde rdg rdi rdo rdr re- reb red ree reg rei reo rer rez rgb rgd rge rgg rgi rgo rgr rib rid rie rig rii rio rir riz rob rod roe rog roi roo ror roz rrb rrd rrg rri rrr rzb rze rzo z-g zbb zbr zeb zed zee zeo zer zez zgb zgg zgi zib zid zie zig zio zir ziz zo- zob zod zoe zog zoi zoo zor zro zzr zzz