b-p bbb bbi bbk bbn bbo bbp bby bi- bib bii bik bin bio bip biy bkb bkk bkn bko bkp bnb bni bnk bnn bno bnp bob boi bok bon boo bop boy bpb bpi bpn bpo bpp bpy by- byi byk byn byo byp ibb ibi ibk ibn ibo ibp iby iib iii iin iio iip ikb iki ikk iko in- inb ini ink inn ino inp iny io- iob ioi ion ioo iop ipb ipi ipn ipo ipp ipy iyo iyy kbb kbi kbk kbn kbo kbp kib kii kik kin kio kip kkb kki kkk kkn kkp kky kn- kni knk knn kno knp kob koi kok kon koo kop koy kpi kpk kpn kpo kpp kyn kyo kyp n-i nbb nbi nbk nbn nbo nbp nib nii nik nin nio nip nki nkk nkn nko nkp nky nnb nni nnk nnn nno nnp no- nob noi nok non noo nop noy npb npi npn npo npp nyk nyn nyo nyp nyy o-i ob- obb obi obk obn obo obp oby oib oii oik oin oio oip okb oki okk oko okp on- onb oni onk onn ono onp ony oo- oob ooi ook oon ooo oop op- opb opi opk opn opo opp opy oyi oyo p-p pbb pbi pbk pbn pbo pbp pby pib pii pik pin pio pip pkb pki pkn pko pkp pky pn- pnb pni pnk pnn pno pnp pny pob poi pok pon poo pop poy ppb ppi ppk ppn ppo ppp py- pyb pyk pyn pyo ybi ybp yby yii yin yio yip yki ykk ykn ynk ynn ynp yny yob yoi yok yon yoo yop yoy ypo yyb yyy