-er -ey b-u bbb bbe bbg bbh bbr bbu bby be- beb bee beg beh ber beu bey bgb bge bgg bgh bgr bgu bhb bhe bhg bhh bhr bhu brb bre brg brh brr bru bry bub bue bug buh bur buu buy by- bye byg byh byr byu ebb ebe ebg ebh ebr ebu eby eeb eee eeg eer eey egb ege egg egh egr egu egy ehb ehe ehg ehh ehr ehu erb ere erg erh err eru ery eu- eub eue eug eur eye eyr gbe gbg gbh gbr gbu gby ge- geb gee geg geh ger geu gey ggb ggg ggh ggr ggu ghb ghe ghg ghh ghr grb gre grg grh grr gru gry gu- gub gue gug gur guu guy gy- gyb gye gyr hbb hbe hbg hbh hbr hbu hby he- heb hee heg heh her heu hey hgb hge hgg hgh hgr hgu hgy hhb hhe hhg hhh hhr hhu hhy hr- hrb hre hrg hrh hrr hru hub hue hug huh hur huu huy hy- hyb hye hyg hyh hyr hyy rbb rbe rbg rbh rbr rbu re- reb ree reg reh rer reu rey rgb rge rgg rgh rgr rh- rhb rhe rhg rhh rhr rhu rrb rrg rrh rrr rru rub rue rug ruh rur ruu ruy ry- rye ryg ryr ryu ryy ubb ube ubg ubh ubr ubu uby ueb uee ueg ueh uer uey ugb uge ugg ugh ugr ugu uhb uhe uhh uhr uhu uhy ur- urb ure urg urr uru ury uue uug uur uuu uyu ybe ybg ybr yby yeb yee yeg yeh yer yey yhe yhu yre yrg yru yue yug yuh yur yuu yuy yyb yye yyg yyu yyy