bbb bbi bbm bbn bbo bby bi- bib bii bim bin bio biy bmb bmi bmm bmn bmo bnb bni bnn bno bob boi bom bon boo boy by- byi bym byn byo ibb ibi ibm ibn ibo iby iib iii iim iin iio im- imb imi imm imn imo imy in- inb ini inm inn ino iny io- iob ioi iom ion ioo iym iyo iyy m-o mbb mbi mbm mbo mi- mib mii mim min mio miy mmb mmi mmm mmn mmo mnb mni mnm mnn mno mob moi mom mon moo moy my- myb mym myn myo n-i nbb nbi nbm nbn nbo nib nii nim nin nio nmb nmi nmm nmn nmo nnb nni nnm nnn nno no- nob noi nom non noo noy nym nyn nyo nyy o-i ob- obb obi obm obn obo oby oib oii oim oin oio om- omb omi omm omn omo omy on- onb oni onn ono ony oo- oob ooi oom oon ooo oyi oyo ybi ybm yby yii yim yin yio ymi ymm ymo ynn yny yob yoi yom yon yoo yoy yyb yyy