-er -up eee eef eem eep eer ees ef- efe eff efi efm efp efr efs eie eif eii eim eip eir eis eiu em- eme emf emi emm emp emr ems emu ep- epe epf epi epm epp epr eps epu ere erf eri erm erp err ers eru es- ese esf esi esm esp esr ess esu eu- eue euf eui eup eur eus fee fef fei fem fep fer fes feu ffe fff ffi ffm ffp ffr ffs ffu fie fif fii fim fip fir fis fiu fme fmf fmi fmm fmp fmr fms fmu fpe fpi fpm fpp fpr fps fpu fre frf fri frm frp frr frs fru fse fsf fsi fsm fsp fsr fss fsu fue fuf fui fum fup fur fus fuu i-f ie- iee ief iei iem iep ier ies ife iff ifi ifm ifp ifr ifs ifu iie iif iii iim iip iir iis iiu im- ime imf imi imm imp ims imu ipe ipf ipi ipm ipp ipr ips ipu ir- ire irf iri irm irp irr irs iru is- ise isf isi ism isp isr iss isu iu- iue iui ium iup iur ius m-f m-r mee mef mei mem mep mer mes meu mfe mff mfi mfm mfp mfr mfs mfu mi- mie mif mii mim mip mir mis miu mme mmf mmi mmm mmp mmr mms mmu mpe mpf mpi mpm mpp mpr mps mpu mre mrf mri mrm mrp mrr mrs mru mse msf msi msm msp msr mss msu mue muf mui mum mup mur mus muu p-p pee pef pei pem pep per pes peu pfe pff pfi pfm pfp pfr pfs pfu pie pif pii pim pip pir pis piu pme pmf pmi pmm pmp pmr pms pmu ppe ppf ppi ppm ppp ppr pps ppu pre prf pri prm prp prr prs pru ps- pse psf psi psm psp psr pss psu pue puf pui pum pup pur pus puu re- ree ref rei rem rep rer res reu rfe rff rfi rfm rfp rfr rfs rfu rie rif rii rim rip rir ris rme rmf rmi rmm rmp rmr rms rpe rpf rpi rpm rpp rpr rps rpu rrf rri rrm rrp rrr rrs rru rse rsf rsi rsm rsp rsr rss rsu rue ruf rui rum rup rur rus ruu se- see sef sei sem sep ser ses seu sfe sff sfi sfm sfp sfr sfs sfu sie sif sii sim sip sir sis siu sme smf smi smm smp smr sms smu spe spf spi spm spp spr sps spu sr- sre srf sri srm srp srr srs ss- sse ssf ssi ssm ssp ssr sss ssu sue suf sui sum sup sur sus suu uee uef uei uem uep uer ues ufe uff ufi ufm ufp ufr ufs ufu uie uif uii uim uip uir uis uiu um- ume umf umi umm ump umr ums umu up- upe upf upi upm upp upr ups upu ur- ure urf uri urm urp urr urs uru use usf usi usm usp usr uss usu uue uum uur uus uuu