-er -ol eee eel eeo eer ele ell elo elr elu eo- eoe eol eoo eor eou ere erl ero err eru eu- eue eul eur lee lel leo ler leu lle lll llo llr llu loe lol loo lor lou lro lrr lru lue lul luo lur luu oee oel oeo oer ole oll olo olu oo- ool ooo oor or- ore orl oro orr oru ou- oue oul ouo our re- ree rel reo rer reu rle rll rlo rlr rlu roe rol roo ror rou rrl rrr rru rue ruo rur ruu uee uel uer ule ull ulo ulr ulu uoe uol uoo uor ur- ure url uro urr uru uue uur uuu