-er -ey bbb bbc bbe bbg bbo bbr bbw bby bcb bcc bce bcg bco bcr bcy bcz be- beb bec bee beg beo ber bew bey bez bgb bgc bge bgg bgo bgr bgw bgz bob boc boe bog boo bor bow boy boz brb bre brg bro brr brw bry brz bwb bwc bwg bwo bwr bwy by- byc bye byg byo byr byz bze bzo bzr bzz c-- cbb cbc cbe cbg cbo cbr cbw cby cbz ccb ccc cce ccg cco ccr ccw ccz ce- ceb cec cee ceg ceo cer cew cey cez cgb cgc cge cgg cgo cgr cgw cgy co- cob coc coe cog coo cor cow coy coz crb crc cre crg cro crr crw cry crz cw- cwb cwc cwe cwg cwo cwr cyb cyc cye cyg cyo cyr cyw cz- czc cze czo czw ebb ebc ebe ebg ebo ebr ebw eby ec- ecb ecc ece ecg eco ecr ecw eeb eec eee eeg eeo eer eew eey egb egc ege egg ego egr egw egy eo- eob eoc eoe eog eoo eor eow erb erc ere erg ero err erw ery erz ewb ewc ewe ewo ewr eww ewy eyc eye eyo eyr eze ezo ezr ezz gbc gbe gbg gbo gbr gbw gby gbz gcb gcc gce gcg gco gcr gcw ge- geb gec gee geg geo ger gew gey gez ggb ggc ggg ggo ggr ggw ggz gob goc goe gog goo gor gow goy goz grb grc gre grg gro grr grw gry gwb gwc gwe gwg gwr gy- gyb gye gyo gyr gzo gzr ob- obb obc obe obg obo obr obw oby oc- ocb occ ocg oco ocr ocw ocz oeb oec oee oeg oeo oer oey ogc oge ogg ogo ogy oo- oob ooc oog ooo oor oow or- orb orc ore org oro orr ory orz owb owc owe owo oww oye oyo oze ozo ozw ozz rbb rbc rbe rbg rbo rbr rbw rcb rcc rce rcg rco rcr rcw re- reb rec ree reg reo rer rew rey rez rgb rgc rge rgg rgo rgr rgw rob roc roe rog roo ror row roy roz rrb rrc rrg rrr rwb rwc rwe rwr rwy ry- ryc rye ryg ryo ryr ryy ryz rzb rze rzo rzy wbb wbc wbe wbg wbo wbr wbw wbz wcb wcc wce wcg wco wcr wcw web wec wee weg weo wer wew wey wez wgb wgc wgo wgr wgw wgy wgz wob woc woe wog woo wor wow woy woz wr- wrc wre wrg wro wrr wrw wry wwc wwe wwo www wy- wyc wye wyo wyr wzc ybc ybe ybg ybr yby ybz ycc yce yco ycw ycy yeb yec yee yeg yeo yer yew yey yez ygc ygo yob yoc yoe yog yoo yor yow yoy yrc yre yrg yro ywc ywg yyb yyc yye yyg yyy yyz yzb yzr yzy z-g zbb zbc zbr zbw zby zce zco zeb zec zee zeo zer zez zgb zgg zo- zob zoc zoe zog zoo zor zow zro zzr zzy zzz