-er -ey bbb bbd bbe bbg bbi bbk bbr bbs bby bdb bdd bde bdg bdi bdk bdr bds bdy be- beb bed bee beg bei bek ber bes bey bgb bgd bge bgg bgi bgk bgr bgs bi- bib bid bie big bii bik bir bis biy bkb bke bkg bkk bkr bks brb brd bre brg bri brk brr brs bry bsb bsd bse bsg bsi bsk bsr bss bsy by- byd bye byg byi byk byr bys dbb dbd dbe dbg dbi dbk dbr dbs dby ddb ddd dde ddg ddi ddk ddr dds ddy de- deb ded dee deg dei dek der des dey dgd dge dgg dgi dgk dgr dgs di- dib did die dig dii dik dir dis diy dkb dke dkg dki dkk dkr dks drb drd dre drg dri drk drr drs dry dsb dsd dse dsg dsi dsk dsr dss dsy dy- dyb dyd dye dyk dyr dys dyy ebb ebd ebe ebg ebi ebk ebr ebs eby ed- edb edd ede edg edi edk edr eds edy eeb eed eee eeg eek eer ees eey egb egd ege egg egi egr egs egy eib eid eie eig eii eik eir eis ekb ekd eke ekg eki ekr eks eky erb erd ere erg eri erk err ers ery es- esb esd ese esg esi esk esr ess esy eyd eye eyr eys g-d gbd gbe gbg gbi gbk gbr gbs gby gdb gdd gde gdi gdk gdr gds ge- geb ged gee geg gei gek ger ges gey ggb ggd ggg ggi ggr ggs gib gid gie gig gii gik gir gis giy gkb gkd gks grb grd gre grg gri grk grr grs gry gsb gsd gse gsg gsi gsk gsr gss gy- gyb gyd gye gyr gys i-d ibb ibd ibe ibg ibi ibk ibr ibs iby idb idd ide idg idi idk idr ids idy ie- ied iee ieg iei iek ier ies iey igb igd ige igg igi igk igr igs igy iib iid iie iii iir iis ikb ike iki ikk ikr iks ir- irb ird ire irg iri irk irr irs iry is- isb isd ise isg isi isk isr iss isy iye iyr iys iyy kbb kbd kbe kbi kbk kbr kbs kdb kde kdg kdk kdr kds kdy ke- keb ked kee keg kei kek ker kes key kgb kgd kgi kgs kgy kib kid kie kig kii kik kir kis kkb kke kki kkk kkr kks kky krd krg kri krk krr krs kry ksb ksd kse ksg ksi ksk ksr kss kyd kye kyr kys rbb rbd rbe rbg rbi rbk rbr rbs rdb rdd rde rdg rdi rdr rds rdy re- reb red ree reg rei rek rer res rey rgb rgd rge rgg rgi rgk rgr rgs rib rid rie rig rii rik rir ris riy rkb rke rkg rkk rks rky rrb rrd rrg rri rrk rrr rrs rsb rsd rse rsg rsi rsk rsr rss ry- ryd rye ryg ryk ryr rys ryy sbb sbd sbe sbg sbi sbk sbr sbs sby sdb sdd sde sdg sdi sdk sdr sds sdy se- seb sed see seg sei sek ser ses sey sgb sgd sge sgg sgi sgk sgr sgs sib sid sie sig sii sik sir sis sk- skb skd ske skg ski skk skr sks sky sr- srb srd sre srg sri srk srr srs sry ss- ssb ssd sse ssg ssi ssk ssr sss sy- syb syd sye syg syi syk syr sys ybe ybg ybi ybr ybs yby yde ydg yds ydy yeb yed yee yeg yei yek yer yes yey yid yie yig yii yir yis yki ykk yre yrg yrs ysb yse ysg ysi ysk ysr yss ysy yyb yye yyg yys yyy