-up b-p b-u bbb bbh bbi bbp bbr bbs bbu bhb bhh bhi bhp bhr bhs bhu bi- bib bih bii bip bir bis biu bpb bph bpi bpp bpr bps bpu brb brh bri brp brr brs bru bsb bsh bsi bsp bsr bss bsu bub buh bui bup bur bus buu h-i hbb hbh hbi hbp hbr hbs hbu hhb hhh hhi hhp hhr hhs hhu hib hih hii hip hir his hiu hpb hph hpi hpp hpr hps hpu hr- hrb hrh hri hrp hrr hrs hru hsb hsh hsi hsp hsr hss hsu hub huh hui hup hur hus huu ibb ibh ibi ibp ibr ibs ibu ihb ihh ihi ihp ihr ihs ihu iib iih iii iip iir iis iiu ipb ipi ipp ipr ips ipu ir- irb iri irp irr irs iru is- isb ish isi isp isr iss isu iu- iub iui iup iur ius p-p pbb pbi pbp pbr pbs pbu phb phi php phr phs phu pib pih pii pip pir pis piu ppb pph ppi ppp ppr pps ppu prb prh pri prp prr prs pru ps- psb psh psi psp psr pss psu pub puh pui pup pur pus puu rbb rbh rbi rbp rbr rbs rbu rh- rhb rhh rhi rhp rhr rhs rhu rib rih rii rip rir ris rpb rph rpi rpp rpr rps rpu rrb rrh rri rrp rrr rrs rru rsb rsh rsi rsp rsr rss rsu rub ruh rui rup rur rus ruu sbb sbh sbi sbp sbr sbs sbu sh- shb shh shi shp shr shs shu sib sih sii sip sir sis siu spb sph spi spp spr sps spu sr- srb srh sri srp srr srs ss- ssb ssh ssi ssp ssr sss ssu sub suh sui sup sur sus suu ubb ubh ubi ubp ubr ubs ubu uhb uhh uhi uhp uhr uhs uhu uib uii uip uir uis uiu up- upb uph upi upp upr ups upu ur- urb uri urp urr urs uru usb ush usi usp usr uss usu uur uus uuu