-er -ey bbb bbd bbe bbg bbi bbk bbr bby bdb bdd bde bdg bdi bdk bdr bdy be- beb bed bee beg bei bek ber bey bgb bgd bge bgg bgi bgk bgr bi- bib bid bie big bii bik bir biy bkb bke bkg bkk bkr brb brd bre brg bri brk brr bry by- byd bye byg byi byk byr dbb dbd dbe dbg dbi dbk dbr dby ddb ddd dde ddg ddi ddk ddr ddy de- deb ded dee deg dei dek der dey dgd dge dgg dgi dgk dgr di- dib did die dig dii dik dir diy dkb dke dkg dki dkk dkr drb drd dre drg dri drk drr dry dy- dyb dyd dye dyk dyr dyy ebb ebd ebe ebg ebi ebk ebr eby ed- edb edd ede edg edi edk edr edy eeb eed eee eeg eek eer eey egb egd ege egg egi egr egy eib eid eie eig eii eik eir ekb ekd eke ekg eki ekr eky erb erd ere erg eri erk err ery eyd eye eyr g-d gbd gbe gbg gbi gbk gbr gby gdb gdd gde gdi gdk gdr ge- geb ged gee geg gei gek ger gey ggb ggd ggg ggi ggr gib gid gie gig gii gik gir giy gkb gkd grb grd gre grg gri grk grr gry gy- gyb gyd gye gyr i-d ibb ibd ibe ibg ibi ibk ibr iby idb idd ide idg idi idk idr idy ie- ied iee ieg iei iek ier iey igb igd ige igg igi igk igr igy iib iid iie iii iir ikb ike iki ikk ikr ir- irb ird ire irg iri irk irr iry iye iyr iyy kbb kbd kbe kbi kbk kbr kdb kde kdg kdk kdr kdy ke- keb ked kee keg kei kek ker key kgb kgd kgi kgy kib kid kie kig kii kik kir kkb kke kki kkk kkr kky krd krg kri krk krr kry kyd kye kyr rbb rbd rbe rbg rbi rbk rbr rdb rdd rde rdg rdi rdr rdy re- reb red ree reg rei rek rer rey rgb rgd rge rgg rgi rgk rgr rib rid rie rig rii rik rir riy rkb rke rkg rkk rky rrb rrd rrg rri rrk rrr ry- ryd rye ryg ryk ryr ryy ybe ybg ybi ybr yby yde ydg ydy yeb yed yee yeg yei yek yer yey yid yie yig yii yir yki ykk yre yrg yyb yye yyg yyy