-ey bbb bbe bbm bbn bbo bbx bby be- beb bee bem ben beo bex bey bmb bme bmm bmn bmo bmx bnb bne bnn bno bnx bob boe bom bon boo box boy bxb bxm bxn bxo bxx by- bye bym byn byo ebb ebe ebm ebn ebo ebx eby eeb eee eem een eeo eex eey em- emb eme emm emn emo emx en- enb ene enm enn eno eny eo- eob eoe eom eon eoo ex- exe exo exx exy eye eym eyn eyo m-o mbb mbe mbm mbo mbx meb mee mem men meo mex mey mmb mme mmm mmn mmo mmx mnb mne mnm mnn mno mob moe mom mon moo mox moy mxn my- myb mye mym myn myo myx nbb nbe nbm nbn nbo nbx ne- neb nee nem nen neo nex ney nmb nme nmm nmn nmo nnb nne nnm nnn nno no- nob noe nom non noo nox noy nye nym nyn nyo nyx nyy ob- obb obe obm obn obo obx oby oeb oee oem oen oeo oex oey om- omb ome omm omn omo omx omy on- onb one onn ono onx ony oo- oob oom oon ooo oox ox- oxb oxn oxo oxx oxy oye oyo xbe xbx xee xem xen xex xmm xmo xmx xno xom xon xoo xox xxo xxx xxy xyy ybe ybm yby yeb yee yem yen yeo yex yey yme ymm ymo yne ynn yny yob yoe yom yon yoo yox yoy yxe yxy yyb yye yyy