-er -ey eee eef eem eeo eep eer ees eey ef- efe eff efi efm efo efp efr efs eie eif eii eim eio eip eir eis em- eme emf emi emm emo emp emr ems eo- eoe eof eoi eom eoo eop eor eos ep- epe epf epi epm epo epp epr eps ere erf eri erm ero erp err ers ery es- ese esf esi esm eso esp esr ess esy eye eym eyo eyp eyr eys fee fef fei fem feo fep fer fes fey ffe fff ffi ffm ffo ffp ffr ffs ffy fie fif fii fim fip fir fis fme fmf fmi fmm fmo fmp fmr fms foe fof foi fom foo fop for fos foy fpe fpi fpm fpo fpp fpr fps fpy fre frf fri frm fro frp frr frs fry fse fsf fsi fsm fso fsp fsr fss fy- fye fyi fyo fyp i-f ie- iee ief iei iem iep ier ies iey ife iff ifi ifm ifo ifp ifr ifs ify iie iif iii iim iio iip iir iis im- ime imf imi imm imo imp ims imy io- ioe iof ioi iom ioo iop ior ios ipe ipf ipi ipm ipo ipp ipr ips ipy ir- ire irf iri irm iro irp irr irs iry is- ise isf isi ism iso isp isr iss isy iye iym iyo iyr iys iyy m-f m-o m-r mee mef mei mem meo mep mer mes mey mfe mff mfi mfm mfo mfp mfr mfs mfy mi- mie mif mii mim mio mip mir mis miy mme mmf mmi mmm mmo mmp mmr mms moe mof moi mom moo mop mor mos moy mpe mpf mpi mpm mpo mpp mpr mps mre mrf mri mrm mro mrp mrr mrs mry mse msf msi msm mso msp msr mss msy my- mye myf mym myo myr mys o-i oee oef oei oem oeo oep oer oes oey of- ofe off ofi ofm ofo ofp ofr ofs oie oif oii oim oio oip oir ois om- ome omf omi omm omo omp omr oms omy oo- oof ooi oom ooo oop oor oos op- ope opf opi opm opo opp opr ops opy or- ore orf ori orm oro orp orr ors ory os- ose osf osi osm oso osp osr oss oye oyi oyo oys p-p pee pef pei pem peo pep per pes pey pfe pff pfi pfm pfo pfp pfr pfs pfy pie pif pii pim pio pip pir pis pme pmf pmi pmm pmo pmp pmr pms poe pof poi pom poo pop por pos poy ppe ppf ppi ppm ppo ppp ppr pps pre prf pri prm pro prp prr prs pry ps- pse psf psi psm pso psp psr pss psy py- pye pyf pym pyo pyr pys re- ree ref rei rem reo rep rer res rey rfe rff rfi rfm rfo rfp rfr rfs rie rif rii rim rio rip rir ris riy rme rmf rmi rmm rmo rmp rmr rms roe rof roi rom roo rop ror ros roy rpe rpf rpi rpm rpo rpp rpr rps rrf rri rrm rrp rrr rrs rse rsf rsi rsm rso rsp rsr rss ry- rye ryf rym ryo ryr rys ryy se- see sef sei sem seo sep ser ses sey sfe sff sfi sfm sfo sfp sfr sfs sie sif sii sim sio sip sir sis sme smf smi smm smo smp smr sms smy soe sof soi som soo sop sor sos soy spe spf spi spm spo spp spr sps spy sr- sre srf sri srm sro srp srr srs sry ss- sse ssf ssi ssm sso ssp ssr sss sy- sye syi sym syp syr sys yee yef yei yem yeo yep yer yes yey yfe yff yfm yfr yfs yie yif yii yim yio yip yir yis yme ymi ymm ymo yms yoe yof yoi yom yoo yop yor yos yoy ypf ypo yps yre yrf yro yrp yrs yse ysi ysm yso ysp ysr yss ysy yye yyf yys yyy