b-u bbb bbg bbh bbi bbs bbu bgb bgg bgh bgi bgs bgu bhb bhg bhh bhi bhs bhu bi- bib big bih bii bis biu bsb bsg bsh bsi bss bsu bub bug buh bui bus buu gbg gbh gbi gbs gbu ggb ggg ggh ggi ggs ggu ghb ghg ghh ghi ghs gib gig gih gii gis giu gsb gsg gsi gss gsu gu- gub gug gui gus guu h-i hbb hbg hbh hbi hbs hbu hgb hgg hgh hgi hgs hgu hhb hhg hhh hhi hhs hhu hib hig hih hii his hiu hsb hsg hsh hsi hss hsu hub hug huh hui hus huu ibb ibg ibh ibi ibs ibu igb igg igh igi igs igu ihb ihg ihh ihi ihs ihu iib iih iii iis iiu is- isb isg ish isi iss isu iu- iub iug iui ius sbb sbg sbh sbi sbs sbu sgb sgg sgh sgi sgs sgu sh- shb shg shh shi shs shu sib sig sih sii sis siu ss- ssb ssg ssh ssi sss ssu sub sug suh sui sus suu ubb ubg ubh ubi ubs ubu ugb ugg ugh ugi ugs ugu uhb uhh uhi uhs uhu uib uig uii uis uiu usb usg ush usi uss usu uug uus uuu