-ey eee een eeo eep eex eey ehe ehh ehn eho ehp en- ene enh enn eno enp eny eo- eoe eoh eon eoo eop ep- epe eph epn epo epp epx ex- exe exh exo exp exx exy eye eyn eyo eyp he- hee heh hen heo hep hex hey hhe hhh hhn hho hhp hhy hne hnh hnn hno hny hoe hoh hon hoo hop hox hoy hpe hph hpn hpo hpp hpy hy- hye hyh hyn hyo hyp hyy ne- nee neh nen neo nep nex ney nhe nhh nhn nhp nhy nne nnh nnn nno nnp no- noe noh non noo nop nox noy npe nph npn npo npp nye nyn nyo nyp nyx nyy oee oeh oen oeo oep oex oey ohe ohh ohn oho ohp on- one onh onn ono onp onx ony oo- ooh oon ooo oop oox op- ope oph opn opo opp opx opy ox- oxn oxo oxx oxy oye oyo p-p pee peh pen peo pep pex pey phe phn pho php phx phy pn- pne pnh pnn pno pnp pnx pny poe poh pon poo pop pox poy ppe pph ppn ppo ppp ppx pxe py- pye pyn pyo pyx xee xen xep xex xhp xno xon xoo xop xox xpe xpn xpo xpp xxo xxp xxx xxy xyp xyy yee yeh yen yeo yep yex yey yhe yne ynn ynp yny yoe yon yoo yop yox yoy ypo yxe yxy yye yyy