-ey eee eef een eeo eep eet eey ef- efe eff efo efp eft en- ene enf enn eno enp ent eny eo- eoe eof eon eoo eop eot ep- epe epf epn epo epp ept ete etf etn eto etp ett ety eye eyn eyo eyp eyt fee fef fen feo fep fet fey ffe fff ffn ffo ffp fft ffy fne fnf fnn fnp fnt foe fof fon foo fop fot foy fpe fpn fpo fpp fpt fpy fte ftf ftn fto ftp ftt fty fy- fye fyn fyo fyp ne- nee nef nen neo nep net ney nfe nff nfn nfo nfp nft nne nnf nnn nno nnp nnt no- noe nof non noo nop not noy npe npf npn npo npp npt nte ntf ntn nto ntp ntt nye nyf nyn nyo nyp nyt nyy oee oef oen oeo oep oet oey of- ofe off ofn ofo ofp oft on- one onf onn ono onp ont ony oo- oof oon ooo oop oot op- ope opf opn opo opp opt opy ot- ote otf otn oto otp ott oye oyo p-p pee pef pen peo pep pet pey pfe pff pfn pfo pfp pft pfy pn- pne pnf pnn pno pnp pnt pny poe pof pon poo pop pot poy ppe ppf ppn ppo ppp ppt pt- pte ptf ptn pto ptp ptt pty py- pye pyf pyn pyo pyt te- tee tef ten teo tep tet tey tfe tff tfn tfo tfp tft tne tnf tnn tno tnp tnt to- toe tof ton too top tot toy tpe tpf tpn tpo tpp tpt tte ttf ttn tto ttp ttt tty tye tyf tyn tyo typ tyt yee yef yen yeo yep yet yey yfe yff yft yne ynn ynp yny yoe yof yon yoo yop yot yoy ypf ypo yte ytf ytn yto ytp ytt yye yyf yyt yyy