-er bbb bbe bbf bbn bbo bbr be- beb bee bef ben beo ber bfb bfe bff bfj bfn bfo bfr bjf bjj bjn bjr bnb bne bnf bnj bnn bno bnr bob boe bof boj bon boo bor brb bre brf brj brn bro brr ebb ebe ebf ebj ebn ebo ebr eeb eee eef een eeo eer ef- efb efe eff efo efr ejf ejo en- enb ene enf enn eno enr eo- eob eoe eof eon eoo eor erb ere erf ern ero err fbb fbe fbf fbn fbo fbr feb fee fef fen feo fer ffe fff ffn ffo ffr fjb fnb fne fnf fnj fnn fnr fob foe fof fon foo for frb fre frf frj frn fro frr jbf jbj jbo jbr jeb jee jef jej jen jeo jer jfb jfe jff jfj jfo jfr jjb jjf jjj jjr jne jnf jnj jnn jno jnr job joe jof joj jon joo jor jrb jrf jrn jro jrr nbb nbe nbf nbn nbo nbr ne- neb nee nef nej nen neo ner nfb nfe nff nfn nfo nfr nje njf njn nnb nne nnf nnn nno no- nob noe nof noj non noo nor nrb nre nrf nrj nrn nro nrr ob- obb obe obf obj obn obo obr oeb oee oef oen oeo oer of- ofb ofe off ofn ofo ofr ojb oje ojo on- onb one onf onj onn ono onr oo- oob oof oon ooo oor or- orb ore orf orn oro orr rbb rbe rbf rbn rbo rbr re- reb ree ref ren reo rer rfb rfe rff rfj rfn rfo rfr rjf rjr rnb rnn rno rnr rob roe rof roj ron roo ror rrb rrf rrn rrr