b-u bbb bbd bbg bbi bbr bbs bbu bdb bdd bdg bdi bdr bds bdu bgb bgd bgg bgi bgr bgs bgu bi- bib bid big bii bir bis biu brb brd brg bri brr brs bru bsb bsd bsg bsi bsr bss bsu bub bud bug bui bur bus buu dbb dbd dbg dbi dbr dbs dbu ddb ddd ddg ddi ddr dds ddu dgd dgg dgi dgr dgs dgu di- dib did dig dii dir dis diu drb drd drg dri drr drs dru dsb dsd dsg dsi dsr dss dsu dub dud dug dui dur dus g-d gbd gbg gbi gbr gbs gbu gdb gdd gdi gdr gds gdu ggb ggd ggg ggi ggr ggs ggu gib gid gig gii gir gis giu grb grd grg gri grr grs gru gsb gsd gsg gsi gsr gss gsu gu- gub gud gug gui gur gus guu i-d ibb ibd ibg ibi ibr ibs ibu idb idd idg idi idr ids idu igb igd igg igi igr igs igu iib iid iii iir iis iiu ir- irb ird irg iri irr irs iru is- isb isd isg isi isr iss isu iu- iub iud iug iui iur ius rbb rbd rbg rbi rbr rbs rbu rdb rdd rdg rdi rdr rds rdu rgb rgd rgg rgi rgr rgs rib rid rig rii rir ris rrb rrd rrg rri rrr rrs rru rsb rsd rsg rsi rsr rss rsu rub rud rug rui rur rus ruu sbb sbd sbg sbi sbr sbs sbu sdb sdd sdg sdi sdr sds sdu sgb sgd sgg sgi sgr sgs sgu sib sid sig sii sir sis siu sr- srb srd srg sri srr srs ss- ssb ssd ssg ssi ssr sss ssu sub sud sug sui sur sus suu ubb ubg ubi ubr ubs ubu udb udd udg udi udr uds udu ugb ugg ugi ugr ugs ugu uib uid uig uii uir uis uiu ur- urb urd urg uri urr urs uru usb usd usg usi usr uss usu uug uur uus uuu