-er eee eef een eeo eer ef- efe eff efo efr ejf ejo en- ene enf enn eno enr eo- eoe eof eon eoo eor ere erf ern ero err fee fef fen feo fer ffe fff ffn ffo ffr fne fnf fnj fnn fnr foe fof fon foo for fre frf frj frn fro frr jee jef jej jen jeo jer jfe jff jfj jfo jfr jjf jjj jjr jne jnf jnj jnn jno jnr joe jof joj jon joo jor jrf jrn jro jrr ne- nee nef nej nen neo ner nfe nff nfn nfo nfr nje njf njn nne nnf nnn nno no- noe nof noj non noo nor nre nrf nrj nrn nro nrr oee oef oen oeo oer of- ofe off ofn ofo ofr oje ojo on- one onf onj onn ono onr oo- oof oon ooo oor or- ore orf orn oro orr re- ree ref ren reo rer rfe rff rfj rfn rfo rfr rjf rjr rnn rno rnr roe rof roj ron roo ror rrf rrn rrr