bbb bbi bbm bbn bbo bbs bby bi- bib bii bim bin bio bis biy bmb bmi bmm bmn bmo bms bnb bni bnn bno bns bob boi bom bon boo bos boy bsb bsi bsm bsn bso bss bsy by- byi bym byn byo bys ibb ibi ibm ibn ibo ibs iby iib iii iim iin iio iis im- imb imi imm imn imo ims imy in- inb ini inm inn ino ins iny io- iob ioi iom ion ioo ios is- isb isi ism isn iso iss isy iym iyo iys iyy m-o mbb mbi mbm mbo mbs mi- mib mii mim min mio mis miy mmb mmi mmm mmn mmo mms mnb mni mnm mnn mno mns mob moi mom mon moo mos moy msb msi msm msn mso mss msy my- myb mym myn myo mys n-i nbb nbi nbm nbn nbo nbs nib nii nim nin nio nis nmb nmi nmm nmn nmo nms nnb nni nnm nnn nno nns no- nob noi nom non noo nos noy nsb nsi nsm nsn nso nss nsy nym nyn nyo nys nyy o-i ob- obb obi obm obn obo obs oby oib oii oim oin oio ois om- omb omi omm omn omo oms omy on- onb oni onn ono ons ony oo- oob ooi oom oon ooo oos os- osb osi osm osn oso oss oyi oyo oys sbb sbi sbm sbn sbo sbs sby sib sii sim sin sio sis smb smi smm smn smo sms smy snb sni snm snn sno sns sny sob soi som son soo sos soy ss- ssb ssi ssm ssn sso sss sy- syb syi sym syn sys ybi ybm ybs yby yii yim yin yio yis ymi ymm ymo yms ynn yns yny yob yoi yom yon yoo yos yoy ysb ysi ysm yso yss ysy yyb yys yyy