bbb bbe bbg bbi bbn bbo bbs be- beb bee beg bei ben beo bes bgb bge bgg bgi bgn bgo bgs bi- bib bie big bii bin bio bis bnb bne bng bni bnn bno bns bob boe bog boi bon boo bos bsb bse bsg bsi bsn bso bss ebb ebe ebg ebi ebn ebo ebs eeb eee eeg een eeo ees egb ege egg egi egn ego egs eib eie eig eii ein eio eis en- enb ene eng eni enn eno ens eo- eob eoe eog eoi eon eoo eos es- esb ese esg esi esn eso ess gbe gbg gbi gbn gbo gbs ge- geb gee geg gei gen geo ges ggb ggg ggi ggn ggo ggs gib gie gig gii gin gio gis gnb gne gni gnn gno gns gob goe gog goi gon goo gos gsb gse gsg gsi gsn gso gss ibb ibe ibg ibi ibn ibo ibs ie- iee ieg iei ien ies igb ige igg igi ign igo igs iib iie iii iin iio iis in- inb ine ing ini inn ino ins io- iob ioe iog ioi ion ioo ios is- isb ise isg isi isn iso iss n-i nbb nbe nbg nbi nbn nbo nbs ne- neb nee neg nei nen neo nes ngb nge ngg ngi ngn ngo ngs nib nie nig nii nin nio nis nnb nne nng nni nnn nno nns no- nob noe nog noi non noo nos nsb nse nsg nsi nsn nso nss o-i ob- obb obe obg obi obn obo obs oeb oee oeg oei oen oeo oes oge ogg ogi ogn ogo ogs oib oie oii oin oio ois on- onb one ong oni onn ono ons oo- oob oog ooi oon ooo oos os- osb ose osg osi osn oso oss sbb sbe sbg sbi sbn sbo sbs se- seb see seg sei sen seo ses sgb sge sgg sgi sgn sgo sgs sib sie sig sii sin sio sis snb sne sng sni snn sno sns sob soe sog soi son soo sos ss- ssb sse ssg ssi ssn sso sss