-er -ol bbb bbe bbh bbl bbn bbo bbr be- beb bee beh bel ben beo ber bhb bhe bhh bhl bho bhr blb ble blh bll bln blo blr bnb bne bnl bnn bno bnr bob boe boh bol bon boo bor brb bre brh brl brn bro brr ebb ebe ebh ebl ebn ebo ebr eeb eee eel een eeo eer ehb ehe ehh ehl ehn eho ehr elb ele elh ell eln elo elr en- enb ene enh enl enn eno enr eo- eob eoe eoh eol eon eoo eor erb ere erh erl ern ero err hbb hbe hbh hbl hbn hbo hbr he- heb hee heh hel hen heo her hhb hhe hhh hhl hhn hho hhr hlb hle hlh hll hln hlo hlr hnb hne hnh hnl hnn hno hob hoe hoh hol hon hoo hor hr- hrb hre hrh hrl hrn hro hrr lbb lbe lbh lbl lbo lbr leb lee leh lel len leo ler lhb lhh lho lhr llb lle lll lln llo llr lnb lne lnh lnl lnn lno lnr lob loe loh lol lon loo lor lrb lrh lrn lro lrr nbb nbe nbl nbn nbo nbr ne- neb nee neh nel nen neo ner nhb nhe nhh nhl nhn nhr nlb nle nlh nll nln nlo nlr nnb nne nnh nnl nnn nno no- nob noe noh nol non noo nor nrb nre nrl nrn nro nrr ob- obb obe obh obl obn obo obr oeb oee oeh oel oen oeo oer ohe ohh ohl ohn oho ohr olb ole oll oln olo on- onb one onh onl onn ono onr oo- oob ooh ool oon ooo oor or- orb ore orh orl orn oro orr rbb rbe rbh rbl rbn rbo rbr re- reb ree reh rel ren reo rer rh- rhb rhe rhh rhl rhn rho rhr rle rlh rll rln rlo rlr rnb rnh rnn rno rnr rob roe roh rol ron roo ror rrb rrh rrl rrn rrr