-er -ey -ic bbb bbc bbd bbe bbg bbi bbr bby bcb bcc bcd bce bcg bci bcr bcy bdb bdc bdd bde bdg bdi bdr bdy be- beb bec bed bee beg bei ber bey bgb bgc bgd bge bgg bgi bgr bi- bib bic bid bie big bii bir biy brb brd bre brg bri brr bry by- byc byd bye byg byi byr c-- cbb cbc cbd cbe cbg cbi cbr cby ccb ccc ccd cce ccg cci ccr cdb cdc cdd cde cdg cdi cdr cdy ce- ceb cec ced cee ceg cei cer cey cgb cgc cgd cge cgg cgi cgr cgy ci- cib cic cid cie cig cii cir crb crc crd cre crg cri crr cry cyb cyc cyd cye cyg cyr dbb dbc dbd dbe dbg dbi dbr dby dcb dcc dcd dce dcg dci dcr ddb ddc ddd dde ddg ddi ddr ddy de- deb dec ded dee deg dei der dey dgc dgd dge dgg dgi dgr di- dib dic did die dig dii dir diy drb drc drd dre drg dri drr dry dy- dyb dyc dyd dye dyr dyy ebb ebc ebd ebe ebg ebi ebr eby ec- ecb ecc ecd ece ecg eci ecr ed- edb edc edd ede edg edi edr edy eeb eec eed eee eeg eer eey egb egc egd ege egg egi egr egy eib eic eid eie eig eii eir erb erc erd ere erg eri err ery eyc eyd eye eyr g-d gbc gbd gbe gbg gbi gbr gby gcb gcc gcd gce gcg gci gcr gdb gdc gdd gde gdi gdr ge- geb gec ged gee geg gei ger gey ggb ggc ggd ggg ggi ggr gib gic gid gie gig gii gir giy grb grc grd gre grg gri grr gry gy- gyb gyd gye gyr i-d ibb ibc ibd ibe ibg ibi ibr iby icb icc icd ice icg ici icr icy idb idc idd ide idg idi idr idy ie- iec ied iee ieg iei ier iey igb igc igd ige igg igi igr igy iib iic iid iie iii iir ir- irb irc ird ire irg iri irr iry iyc iye iyr iyy rbb rbc rbd rbe rbg rbi rbr rcb rcc rcd rce rcg rci rcr rdb rdc rdd rde rdg rdi rdr rdy re- reb rec red ree reg rei rer rey rgb rgc rgd rge rgg rgi rgr rib ric rid rie rig rii rir riy rrb rrc rrd rrg rri rrr ry- ryc ryd rye ryg ryr ryy ybc ybe ybg ybi ybr yby ycc ycd yce yci ycy yde ydg ydy yeb yec yed yee yeg yei yer yey ygc yid yie yig yii yir yrc yre yrg yyb yyc yye yyg yyy