-er eee eef een eeo eer ef- efe eff efh efo efr ehe ehf ehh ehn eho ehr en- ene enf enh enn eno enr eo- eoe eof eoh eon eoo eor ere erf erh ern ero err fee fef feh fen feo fer ffe fff ffh ffn ffo ffr fhe fhf fhh fhn fho fhr fne fnf fnh fnn fnr foe fof foh fon foo for fre frf frh frn fro frr he- hee hef heh hen heo her hfe hff hfh hfn hfo hfr hhe hhf hhh hhn hho hhr hne hnf hnh hnn hno hoe hof hoh hon hoo hor hr- hre hrf hrh hrn hro hrr ne- nee nef neh nen neo ner nfe nff nfn nfo nfr nhe nhf nhh nhn nhr nne nnf nnh nnn nno no- noe nof noh non noo nor nre nrf nrn nro nrr oee oef oeh oen oeo oer of- ofe off ofn ofo ofr ohe ohf ohh ohn oho ohr on- one onf onh onn ono onr oo- oof ooh oon ooo oor or- ore orf orh orn oro orr re- ree ref reh ren reo rer rfe rff rfh rfn rfo rfr rh- rhe rhf rhh rhn rho rhr rnh rnn rno rnr roe rof roh ron roo ror rrf rrh rrn rrr