-er -ol eee eef eel eeo eep eer ees ef- efe eff efi efl efo efp efr efs eie eif eii eil eio eip eir eis ele elf eli ell elo elp elr els 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 es- ese esf esi esl eso esp esr ess fee fef fei fel feo fep fer fes ffe fff ffi ffl ffo ffp ffr ffs 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 fre frf fri frl fro frp frr frs fse fsf fsi fsl fso fsp fsr fss i-f ie- iee ief iei iel iep ier ies 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 io- ioe iof ioi iol ioo iop ior ios ipe ipf ipi ipl ipo ipp ipr ips ir- ire irf iri irl iro irp irr irs is- ise isf isi isl iso isp isr iss l-p lee lef lei lel leo lep ler les lfe lff lfi lfl lfo lfp lfr lfs lie lif lii lil lio lip lir lis lle llf lli lll llo llp llr lls loe lof loi lol loo lop lor los lpe lpf lpi lpl lpo lpp lpr lps lrf lri lro lrp lrr lrs lse lsf lsi lsl lso lsp lsr lss o-i oee oef oei oel oeo oep oer oes of- ofe off ofi ofl ofo ofp ofr ofs oie oif oii oil oio oip oir ois ole olf oli oll olo olp ols oo- oof ooi ool ooo oop oor oos op- ope opf opi opl opo opp opr ops or- ore orf ori orl oro orp orr ors os- ose osf osi osl oso osp osr oss p-p pee pef pei pel peo pep per pes pfe pff pfi pfl pfo pfp pfr pfs pie pif pii pil pio pip pir pis ple plf pli pll plo plp plr pls poe pof poi pol poo pop por pos ppe ppf ppi ppl ppo ppp ppr pps pre prf pri prl pro prp prr prs ps- pse psf psi psl pso psp psr pss re- ree ref rei rel reo rep rer res rfe rff rfi rfl rfo rfp rfr rfs rie rif rii ril rio rip rir ris rle rlf rli rll rlo rlp rlr rls roe rof roi rol roo rop ror ros rpe rpf rpi rpl rpo rpp rpr rps rrf rri rrl rrp rrr rrs rse rsf rsi rsl rso rsp rsr rss se- see sef sei sel seo sep ser ses sfe sff sfi sfl sfo sfp sfr sfs sie sif sii sil sio sip sir sis sle slf sli sll slo slp slr sls soe sof soi sol soo sop sor sos spe spf spi spl spo spp spr sps sr- sre srf sri srl sro srp srr srs ss- sse ssf ssi ssl sso ssp ssr sss