bbb bbi bbm bbn bbo bbs bbt bby bi- bib bii bim bin bio bis bit biy bmb bmi bmm bmn bmo bms bmt bnb bni bnn bno bns bnt bob boi bom bon boo bos bot boy bsb bsi bsm bsn bso bss bst bsy btb bti btm btn bto bts btt bty by- byi bym byn byo bys byt ibb ibi ibm ibn ibo ibs ibt iby iib iii iim iin iio iis iit im- imb imi imm imn imo ims imt imy in- inb ini inm inn ino ins int iny io- iob ioi iom ion ioo ios iot is- isb isi ism isn iso iss ist isy itb iti itm itn ito its itt ity iym iyo iys iyt iyy m-o mbb mbi mbm mbo mbs mbt mi- mib mii mim min mio mis mit miy mmb mmi mmm mmn mmo mms mmt mnb mni mnm mnn mno mns mnt mob moi mom mon moo mos mot moy msb msi msm msn mso mss mst msy mtb mti mtm mtn mto mts mtt my- myb mym myn myo mys myt n-i nbb nbi nbm nbn nbo nbs nbt nib nii nim nin nio nis nit nmb nmi nmm nmn nmo nms nmt nnb nni nnm nnn nno nns nnt no- nob noi nom non noo nos not noy nsb nsi nsm nsn nso nss nst nsy ntb nti ntm ntn nto nts ntt nym nyn nyo nys nyt nyy o-i ob- obb obi obm obn obo obs obt oby oib oii oim oin oio ois oit om- omb omi omm omn omo oms omt omy on- onb oni onn ono ons ont ony oo- oob ooi oom oon ooo oos oot os- osb osi osm osn oso oss ost ot- otb oti otm otn oto ots ott oyi oyo oys sbb sbi sbm sbn sbo sbs sbt sby sib sii sim sin sio sis sit smb smi smm smn smo sms smt smy snb sni snm snn sno sns snt sny sob soi som son soo sos sot soy ss- ssb ssi ssm ssn sso sss sst stb sti stm stn sto sts stt sty sy- syb syi sym syn sys syt tbb tbi tbm tbn tbo tbs tbt tib tii tim tin tio tis tit tiy tmb tmi tmm tmn tmo tms tmt tmy tnb tni tnm tnn tno tns tnt to- tob toi tom ton too tos tot toy tsb tsi tsm tsn tso tss tst tsy ttb tti ttm ttn tto tts ttt tty tym tyn tyo tys tyt ybi ybm ybs yby yii yim yin yio yis yit ymi ymm ymo yms ymt ynn yns yny yob yoi yom yon yoo yos yot yoy ysb ysi ysm yso yss yst ysy ytm ytn yto yts ytt yyb yys yyt yyy