bbb bbg bbi bbn bbo bbs bbx bgb bgg bgi bgn bgo bgs bgx bi- bib big bii bin bio bis bix bnb bng bni bnn bno bns bnx bob bog boi bon boo bos box bsb bsg bsi bsn bso bss bsx bxb bxi bxn bxo bxx gbg gbi gbn gbo gbs gbx ggb ggg ggi ggn ggo ggs gib gig gii gin gio gis gnb gni gnn gno gns gob gog goi gon goo gos gox gsb gsg gsi gsn gso gss gsx gxs ibb ibg ibi ibn ibo ibs ibx igb igg igi ign igo igs iib iii iin iio iis iix in- inb ing ini inn ino ins inx io- iob iog ioi ion ioo ios is- isb isg isi isn iso iss ixi ixn n-i nbb nbg nbi nbn nbo nbs nbx ngb ngg ngi ngn ngo ngs nib nig nii nin nio nis nix nnb nng nni nnn nno nns no- nob nog noi non noo nos nox nsb nsg nsi nsn nso nss nsx o-i ob- obb obg obi obn obo obs obx ogg ogi ogn ogo ogs ogx oib oii oin oio ois on- onb ong oni onn ono ons onx oo- oob oog ooi oon ooo oos oox os- osb osg osi osn oso oss osx ox- oxb oxi oxn oxo oxx sbb sbg sbi sbn sbo sbs sbx sgb sgg sgi sgn sgo sgs sgx sib sig sii sin sio sis six snb sng sni snn sno sns sob sog soi son soo sos sox ss- ssb ssg ssi ssn sso sss ssx sxi sxn sxs xbx xgi xii xin xio xis xix xno xns xog xoi xon xoo xos xox xsb xsi xss xxi xxo xxx