-er -ol eee eef eel eeo eep eer ees eev ef- efe eff efi efl efo efp efr efs eie eif eii eil eio eip eir eis eiv ele elf eli ell elo elp elr els elv eo- eoe eof eoi eol eoo eop eor eos ep- epe epf epi epl epo epp epr eps ere erf eri erl ero erp err ers erv es- ese esf esi esl eso esp esr ess esv eve evf evi evl evo evp evr evs evv fee fef fei fel feo fep fer fes fev ffe fff ffi ffl ffo ffp ffr ffs ffv fie fif fii fil fip fir fis fle flf fli fll flo flp flr fls foe fof foi fol foo fop for fos fpe fpi fpl fpo fpp fpr fps fpv fre frf fri frl fro frp frr frs fse fsf fsi fsl fso fsp fsr fss fsv fvp i-f i-v ie- iee ief iei iel iep ier ies iev ife iff ifi ifl ifo ifp ifr ifs iie iif iii iil iio iip iir iis il- ile ilf ili ill ilo ilp ilr ils ilv io- ioe iof ioi iol ioo iop ior ios iov ipe ipf ipi ipl ipo ipp ipr ips ipv ir- ire irf iri irl iro irp irr irs irv is- ise isf isi isl iso isp isr iss isv ive ivf ivi ivl ivo ivp ivr ivs ivv l-p lee lef lei lel leo lep ler les lev lfe lff lfi lfl lfo lfp lfr lfs lie lif lii lil lio lip lir lis liv lle llf lli lll llo llp llr lls llv loe lof loi lol loo lop lor los lov lpe lpf lpi lpl lpo lpp lpr lps lpv lrf lri lro lrp lrr lrs lrv lse lsf lsi lsl lso lsp lsr lss lsv lve lvf lvi lvl lvp lvr lvs lvv o-i oee oef oei oel oeo oep oer oes of- ofe off ofi ofl ofo ofp ofr ofs ofv oie oif oii oil oio oip oir ois oiv ole olf oli oll olo olp ols oo- oof ooi ool ooo oop oor oos oov op- ope opf opi opl opo opp opr ops opv or- ore orf ori orl oro orp orr ors orv os- ose osf osi osl oso osp osr oss osv ov- ove ovf ovi ovl ovo ovp ovs ovv p-p pee pef pei pel peo pep per pes pev pfe pff pfi pfl pfo pfp pfr pfs pfv pie pif pii pil pio pip pir pis piv ple plf pli pll plo plp plr pls plv poe pof poi pol poo pop por pos pov ppe ppf ppi ppl ppo ppp ppr pps ppv pre prf pri prl pro prp prr prs prv ps- pse psf psi psl pso psp psr pss psv pve pvf pvi pvl pvo pvp pvr pvs pvv re- ree ref rei rel reo rep rer res rev rfe rff rfi rfl rfo rfp rfr rfs rfv rie rif rii ril rio rip rir ris riv rle rlf rli rll rlo rlp rlr rls roe rof roi rol roo rop ror ros rov rpe rpf rpi rpl rpo rpp rpr rps rpv rrf rri rrl rrp rrr rrs rse rsf rsi rsl rso rsp rsr rss rsv rve rvf rvi rvl rvo rvp rvr rvs rvv se- see sef sei sel seo sep ser ses sev sfe sff sfi sfl sfo sfp sfr sfs sfv sie sif sii sil sio sip sir sis siv sle slf sli sll slo slp slr sls slv soe sof soi sol soo sop sor sos sov spe spf spi spl spo spp spr sps spv sr- sre srf sri srl sro srp srr srs srv ss- sse ssf ssi ssl sso ssp ssr sss ssv sve svf svi svl svo svp svr svs svv v-e vee vef vei vel veo vep ver ves vff vfi vfl vfp vfr vfs vfv vi- vie vif vii vil vio vip vir vis viv vl- vle vlf vll vlo vlp vls vlv voe vof voi vol voo vop vor vos vov vpe vpf vpi vpl vpo vpp vpr vps vre vrf vri vrp vrr vrs vse vsf vsi vsl vso vsp vsr vss vsv vvi vvo vvr vvs vvv