-ey eee een eep ees eev eey en- ene enn enp ens env eny ep- epe epn epp eps es- ese esn esp ess esv esy eve evn evp evs evv evy eye eyn eyp eys ne- nee nen nep nes nev ney nne nnn nnp nns nnv npe npn npp nps npv nse nsn nsp nss nsv nsy nve nvn nvp nvv nye nyn nyp nys nyy p-p pee pen pep pes pev pey pn- pne pnn pnp pns pnv pny ppe ppn ppp pps ppv ps- pse psn psp pss psv psy pve pvn pvp pvs pvv py- pye pyn pys se- see sen sep ses sev sey sne snn snp sns snv sny spe spn spp sps spv spy ss- sse ssn ssp sss ssv sve svn svp svs svv svy sy- sye syn syp sys v-e vee ven vep ves vey vn- vnp vns vnv vpe vpn vpp vps vse vsn vsp vss vsv vvs vvv vye vyn vyp yee yen yep yes yev yey yne ynn ynp yns yny yps yse ysp yss ysy yve yvy yye yys yyy