-ey b-p bbb bbe bbi bbn bbo bbp bby be- beb bee bei ben beo bep bey bi- bib bie bii bin bio bip biy bnb bne bni bnn bno bnp bob boe boi bon boo bop boy bpb bpe bpi bpn bpo bpp bpy by- bye byi byn byo byp ebb ebe ebi ebn ebo ebp eby eeb eee een eeo eep eey eib eie eii ein eio eip en- enb ene eni enn eno enp eny eo- eob eoe eoi eon eoo eop ep- epb epe epi epn epo epp eye eyn eyo eyp ibb ibe ibi ibn ibo ibp iby ie- iee iei ien iep iey iib iie iii iin iio iip in- inb ine ini inn ino inp iny io- iob ioe ioi ion ioo iop ipb ipe ipi ipn ipo ipp ipy iye iyo iyy n-i nbb nbe nbi nbn nbo nbp ne- neb nee nei nen neo nep ney nib nie nii nin nio nip nnb nne nni nnn nno nnp no- nob noe noi non noo nop noy npb npe npi npn npo npp nye nyn nyo nyp nyy o-i ob- obb obe obi obn obo obp oby oeb oee oei oen oeo oep oey oib oie oii oin oio oip on- onb one oni onn ono onp ony oo- oob ooi oon ooo oop op- opb ope opi opn opo opp opy oye oyi oyo p-p pbb pbe pbi pbn pbo pbp pby peb pee pei pen peo pep pey pib pie pii pin pio pip pn- pnb pne pni pnn pno pnp pny pob poe poi pon poo pop poy ppb ppe ppi ppn ppo ppp py- pyb pye pyn pyo ybe ybi ybp yby yeb yee yei yen yeo yep yey yie yii yin yio yip yne ynn ynp yny yob yoe yoi yon yoo yop yoy ypo yyb yye yyy