bbb bbg bbi bbk bbn bbo bbs bgb bgg bgi bgk bgn bgo bgs bi- bib big bii bik bin bio bis bkb bkg bkk bkn bko bks bnb bng bni bnk bnn bno bns bob bog boi bok bon boo bos bsb bsg bsi bsk bsn bso bss gbg gbi gbk gbn gbo gbs ggb ggg ggi ggn ggo ggs gib gig gii gik gin gio gis gkb gkn gko gks gnb gni gnn gno gns gob gog goi gok gon goo gos gsb gsg gsi gsk gsn gso gss ibb ibg ibi ibk ibn ibo ibs igb igg igi igk ign igo igs iib iii iin iio iis ikb iki ikk iko iks in- inb ing ini ink inn ino ins io- iob iog ioi ion ioo ios is- isb isg isi isk isn iso iss kbb kbi kbk kbn kbo kbs kgb kgi kgo kgs kib kig kii kik kin kio kis kkb kki kkk kkn kks kn- kng kni knk knn kno kob kog koi kok kon koo kos ksb ksg ksi ksk ksn kso kss n-i nbb nbg nbi nbk nbn nbo nbs ngb ngg ngi ngk ngn ngo ngs nib nig nii nik nin nio nis nki nkk nkn nko nks nnb nng nni nnk nnn nno nns no- nob nog noi nok non noo nos nsb nsg nsi nsk nsn nso nss o-i ob- obb obg obi obk obn obo obs ogg ogi ogn ogo ogs oib oii oik oin oio ois okb okg oki okk oko oks on- onb ong oni onk onn ono ons oo- oob oog ooi ook oon ooo oos os- osb osg osi osk osn oso oss sbb sbg sbi sbk sbn sbo sbs sgb sgg sgi sgk sgn sgo sgs sib sig sii sik sin sio sis sk- skb skg ski skk sko sks snb sng sni snk snn sno sns sob sog soi sok son soo sos ss- ssb ssg ssi ssk ssn sso sss