-er -ol eee eel eeo eep eer eev eie eii eil eio eip eir eiv ele eli ell elo elp elr elv eo- eoe eoi eol eoo eop eor ep- epe epi epl epo epp epr ere eri erl ero erp err erv eve evi evl evo evp evr evv i-v ie- iee iei iel iep ier iev iie iii iil iio iip iir il- ile ili ill ilo ilp ilr ilv io- ioe ioi iol ioo iop ior iov ipe ipi ipl ipo ipp ipr ipv ir- ire iri irl iro irp irr irv ive ivi ivl ivo ivp ivr ivv l-p lee lei lel leo lep ler lev lie lii lil lio lip lir liv lle lli lll llo llp llr llv loe loi lol loo lop lor lov lpe lpi lpl lpo lpp lpr lpv lri lro lrp lrr lrv lve lvi lvl lvp lvr lvv o-i oee oei oel oeo oep oer oie oii oil oio oip oir oiv ole oli oll olo olp oo- ooi ool ooo oop oor oov op- ope opi opl opo opp opr opv or- ore ori orl oro orp orr orv ov- ove ovi ovl ovo ovp ovv p-p pee pei pel peo pep per pev pie pii pil pio pip pir piv ple pli pll plo plp plr plv poe poi pol poo pop por pov ppe ppi ppl ppo ppp ppr ppv pre pri prl pro prp prr prv pve pvi pvl pvo pvp pvr pvv re- ree rei rel reo rep rer rev rie rii ril rio rip rir riv rle rli rll rlo rlp rlr roe roi rol roo rop ror rov rpe rpi rpl rpo rpp rpr rpv rri rrl rrp rrr rve rvi rvl rvo rvp rvr rvv v-e vee vei vel veo vep ver vi- vie vii vil vio vip vir viv vl- vle vll vlo vlp vlv voe voi vol voo vop vor vov vpe vpi vpl vpo vpp vpr vre vri vrp vrr vvi vvo vvr vvv