-th -up b-p b-u bbb bbg bbh bbp bbr bbs bbt bbu bgb bgg bgh bgp bgr bgs bgt bgu bhb bhg bhh bhp bhr bhs bht bhu bpb bpg bph bpp bpr bps bpt bpu brb brg brh brp brr brs brt bru bsb bsg bsh bsp bsr bss bst bsu btb btg bth btp btr bts btt btu bub bug buh bup bur bus but buu g-p gbg gbh gbp gbr gbs gbt gbu ggb ggg ggh ggp ggr ggs ggt ggu ghb ghg ghh ghp ghr ghs ght gpb gpg gph gpp gpr gps gpt gpu grb grg grh grp grr grs grt gru gsb gsg gsp gsr gss gst gsu gtb gtg gth gtp gtr gts gtt gtu gu- gub gug gup gur gus gut guu hbb hbg hbh hbp hbr hbs hbt hbu hgb hgg hgh hgp hgr hgs hgt hgu hhb hhg hhh hhp hhr hhs hht hhu hpb hpg hph hpp hpr hps hpt hpu hr- hrb hrg hrh hrp hrr hrs hrt hru hsb hsg hsh hsp hsr hss hst hsu htb htg hth htp htr hts htt hub hug huh hup hur hus hut huu p-p pbb pbg pbp pbr pbs pbt pbu pgb pgg pgh pgp pgr pgs pgt phb phg php phr phs pht phu ppb ppg pph ppp ppr pps ppt ppu prb prg prh prp prr prs prt pru ps- psb psg psh psp psr pss pst psu pt- ptb ptg pth ptp ptr pts ptt ptu pub pug puh pup pur pus put puu rbb rbg rbh rbp rbr rbs rbt rbu rgb rgg rgh rgp rgr rgs rgt rh- rhb rhg rhh rhp rhr rhs rht rhu rpb rpg rph rpp rpr rps rpt rpu rrb rrg rrh rrp rrr rrs rrt rru rsb rsg rsh rsp rsr rss rst rsu rtb rtg rtp rtr rts rtt rtu rub rug ruh rup rur rus rut ruu sbb sbg sbh sbp sbr sbs sbt sbu sgb sgg sgh sgp sgr sgs sgt sgu sh- shb shg shh shp shr shs sht shu spb spg sph spp spr sps spt spu sr- srb srg srh srp srr srs srt ss- ssb ssg ssh ssp ssr sss sst ssu stb stg sth stp str sts stt stu sub sug suh sup sur sus sut suu tbb tbg tbh tbp tbr tbs tbt tbu tgb tgg tgh tgp tgr tgs tgt tgu th- thb thg thh thp thr ths tht thu tpb tpg tph tpp tpr tps tpt tpu trb trg trh trp trr trs trt tru tsb tsg tsh tsp tsr tss tst tsu ttb ttg tth ttp ttr tts ttt ttu tub tug tuh tup tur tus tut tuu ubb ubg ubh ubp ubr ubs ubt ubu ugb ugg ugh ugp ugr ugs ugt ugu uhb uhh uhp uhr uhs uht uhu up- upb upg uph upp upr ups upt upu ur- urb urg urp urr urs urt uru usb usg ush usp usr uss ust usu utb uth utp utr uts utt utu uug uur uus uut uuu