-er eee eef eeo eep eer ees eet eev ef- efe eff efi efo efp efr efs eft eie eif eii eio eip eir eis eit eiv eo- eoe eof eoi eoo eop eor eos eot ep- epe epf epi epo epp epr eps ept ere erf eri ero erp err ers ert erv es- ese esf esi eso esp esr ess est esv ete etf eti eto etp etr ets ett etv eve evf evi evo evp evr evs evt evv fee fef fei feo fep fer fes fet fev ffe fff ffi ffo ffp ffr ffs fft ffv fie fif fii fip fir fis fit foe fof foi foo fop for fos fot fpe fpi fpo fpp fpr fps fpt fpv fre frf fri fro frp frr frs frt fse fsf fsi fso fsp fsr fss fst fsv fte ftf fti fto ftp ftr fts ftt ftv fvp fvt i-f i-v ie- iee ief iei iep ier ies iet iev ife iff ifi ifo ifp ifr ifs ift iie iif iii iio iip iir iis iit io- ioe iof ioi ioo iop ior ios iot iov ipe ipf ipi ipo ipp ipr ips ipt ipv ir- ire irf iri iro irp irr irs irt irv is- ise isf isi iso isp isr iss ist isv ite itf iti ito itp its itt itv ive ivf ivi ivo ivp ivr ivs ivt ivv o-i oee oef oei oeo oep oer oes oet of- ofe off ofi ofo ofp ofr ofs oft ofv oie oif oii oio oip oir ois oit oiv oo- oof ooi ooo oop oor oos oot oov op- ope opf opi opo opp opr ops opt opv or- ore orf ori oro orp orr ors ort orv os- ose osf osi oso osp osr oss ost osv ot- ote otf oti oto otp otr ots ott otv ov- ove ovf ovi ovo ovp ovs ovv p-p pee pef pei peo pep per pes pet pev pfe pff pfi pfo pfp pfr pfs pft pfv pie pif pii pio pip pir pis pit piv poe pof poi poo pop por pos pot pov ppe ppf ppi ppo ppp ppr pps ppt ppv pre prf pri pro prp prr prs prt prv ps- pse psf psi pso psp psr pss pst psv pt- pte ptf pti pto ptp ptr pts ptt ptv pve pvf pvi pvo pvp pvr pvs pvt pvv re- ree ref rei reo rep rer res ret rev rfe rff rfi rfo rfp rfr rfs rft rfv rie rif rii rio rip rir ris rit riv roe rof roi roo rop ror ros rot rov rpe rpf rpi rpo rpp rpr rps rpt rpv rrf rri rrp rrr rrs rrt rse rsf rsi rso rsp rsr rss rst rsv rte rtf rti rto rtp rtr rts rtt rtv rve rvf rvi rvo rvp rvr rvs rvt rvv se- see sef sei seo sep ser ses set sev sfe sff sfi sfo sfp sfr sfs sft sfv sie sif sii sio sip sir sis sit siv soe sof soi soo sop sor sos sot sov spe spf spi spo spp spr sps spt spv sr- sre srf sri sro srp srr srs srt srv ss- sse ssf ssi sso ssp ssr sss sst ssv ste stf sti sto stp str sts stt stv sve svf svi svo svp svr svs svt svv te- tee tef tei teo tep ter tes tet tev tfe tff tfi tfo tfp tfr tfs tft tie tif tii tio tip tir tis tit tiv to- toe tof toi too top tor tos tot tov tpe tpf tpi tpo tpp tpr tps tpt tpv tre trf tri tro trp trr trs trt trv tse tsf tsi tso tsp tsr tss tst tsv tte ttf tti tto ttp ttr tts ttt ttv tve tvf tvi tvo tvp tvr tvs tvt v-e vee vef vei veo vep ver ves vet vff vfi vfp vfr vfs vft vfv vi- vie vif vii vio vip vir vis vit viv voe vof voi voo vop vor vos vot vov vpe vpf vpi vpo vpp vpr vps vpt vre vrf vri vrp vrr vrs vrt vse vsf vsi vso vsp vsr vss vst vsv vte vti vto vtr vts vtt vtv vvi vvo vvr vvs vvt vvv