-er -ey bbb bbe bbg bbh bbo bbr bby be- beb bee beg beh beo ber bey bgb bge bgg bgh bgo bgr bhb bhe bhg bhh bho bhr bob boe bog boh boo bor boy brb bre brg brh bro brr bry by- bye byg byh byo byr ebb ebe ebg ebh ebo ebr eby eeb eee eeg eeo eer eey egb ege egg egh ego egr egy ehb ehe ehg ehh eho ehr eo- eob eoe eog eoh eoo eor erb ere erg erh ero err ery eye eyo eyr gbe gbg gbh gbo gbr gby ge- geb gee geg geh geo ger gey ggb ggg ggh ggo ggr ghb ghe ghg ghh gho ghr gob goe gog goh goo gor goy grb gre grg grh gro grr gry gy- gyb gye gyo gyr hbb hbe hbg hbh hbo hbr hby he- heb hee heg heh heo her hey hgb hge hgg hgh hgo hgr hgy hhb hhe hhg hhh hho hhr hhy hob hoe hog hoh hoo hor hoy hr- hrb hre hrg hrh hro hrr hy- hyb hye hyg hyh hyo hyr hyy ob- obb obe obg obh obo obr oby oeb oee oeg oeh oeo oer oey oge ogg ogh ogo ogy ohe ohg ohh oho ohr oo- oob oog ooh ooo oor or- orb ore org orh oro orr ory oye oyo rbb rbe rbg rbh rbo rbr re- reb ree reg reh reo rer rey rgb rge rgg rgh rgo rgr rh- rhb rhe rhg rhh rho rhr rob roe rog roh roo ror roy rrb rrg rrh rrr ry- rye ryg ryo ryr ryy ybe ybg ybr yby yeb yee yeg yeh yeo yer yey ygo yhe yob yoe yog yoo yor yoy yre yrg yro yyb yye yyg yyy