b-u bbb bbe bbg bbi bbo bbs bbu be- beb bee beg bei beo bes beu bgb bge bgg bgi bgo bgs bgu bi- bib bie big bii bio bis biu bob boe bog boi boo bos bou bsb bse bsg bsi bso bss bsu bub bue bug bui buo bus buu ebb ebe ebg ebi ebo ebs ebu eeb eee eeg eeo ees egb ege egg egi ego egs egu eib eie eig eii eio eis eiu eo- eob eoe eog eoi eoo eos eou es- esb ese esg esi eso ess esu eu- eub eue eug eui eus gbe gbg gbi gbo gbs gbu ge- geb gee geg gei geo ges geu ggb ggg ggi ggo ggs ggu gib gie gig gii gio gis giu gob goe gog goi goo gos gou gsb gse gsg gsi gso gss gsu gu- gub gue gug gui guo gus guu ibb ibe ibg ibi ibo ibs ibu ie- iee ieg iei ies igb ige igg igi igo igs igu iib iie iii iio iis iiu io- iob ioe iog ioi ioo ios iou is- isb ise isg isi iso iss isu iu- iub iue iug iui ius o-i ob- obb obe obg obi obo obs obu oeb oee oeg oei oeo oes oge ogg ogi ogo ogs oib oie oii oio ois oiu oo- oob oog ooi ooo oos os- osb ose osg osi oso oss osu ou- oue oui ouo ous sbb sbe sbg sbi sbo sbs sbu se- seb see seg sei seo ses seu sgb sge sgg sgi sgo sgs sgu sib sie sig sii sio sis siu sob soe sog soi soo sos sou ss- ssb sse ssg ssi sso sss ssu sub sue sug sui suo sus suu ubb ube ubg ubi ubo ubs ubu ueb uee ueg uei ues ugb uge ugg ugi ugo ugs ugu uib uie uig uii uio uis uiu uob uoe uog uoo uos usb use usg usi uso uss usu uue uug uus uuu