-er -ey bbb bbe bbh bbn bbo bbr bby be- beb bee beh ben beo ber bey bhb bhe bhh bho bhr bnb bne bnn bno bnr bob boe boh bon boo bor boy brb bre brh brn bro brr bry by- bye byh byn byo byr ebb ebe ebh ebn ebo ebr eby eeb eee een eeo eer eey ehb ehe ehh ehn eho ehr en- enb ene enh enn eno enr eny eo- eob eoe eoh eon eoo eor erb ere erh ern ero err ery eye eyn eyo eyr hbb hbe hbh hbn hbo hbr hby he- heb hee heh hen heo her hey hhb hhe hhh hhn hho hhr hhy hnb hne hnh hnn hno hny hob hoe hoh hon hoo hor hoy hr- hrb hre hrh hrn hro hrr hy- hyb hye hyh hyn hyo hyr hyy nbb nbe nbn nbo nbr ne- neb nee neh nen neo ner ney nhb nhe nhh nhn nhr nhy nnb nne nnh nnn nno no- nob noe noh non noo nor noy nrb nre nrn nro nrr nry nye nyn nyo nyy ob- obb obe obh obn obo obr oby oeb oee oeh oen oeo oer oey ohe ohh ohn oho ohr on- onb one onh onn ono onr ony oo- oob ooh oon ooo oor or- orb ore orh orn oro orr ory oye oyo rbb rbe rbh rbn rbo rbr re- reb ree reh ren reo rer rey rh- rhb rhe rhh rhn rho rhr rnb rnh rnn rno rnr rny rob roe roh ron roo ror roy rrb rrh rrn rrr ry- rye ryn ryo ryr ryy ybe ybr yby yeb yee yeh yen yeo yer yey yhe yne ynn yny yob yoe yon yoo yor yoy yre yrn yro yyb yye yyy