-th b-p bbb bbh bbi bbo bbp bbr bbs bbt bhb bhh bhi bho bhp bhr bhs bht bi- bib bih bii bio bip bir bis bit bob boh boi boo bop bor bos bot bpb bph bpi bpo bpp bpr bps bpt brb brh bri bro brp brr brs brt bsb bsh bsi bso bsp bsr bss bst btb bth bti bto btp btr bts btt h-i hbb hbh hbi hbo hbp hbr hbs hbt hhb hhh hhi hho hhp hhr hhs hht hib hih hii hio hip hir his hit hob hoh hoi hoo hop hor hos hot hpb hph hpi hpo hpp hpr hps hpt hr- hrb hrh hri hro hrp hrr hrs hrt hsb hsh hsi hsp hsr hss hst htb hth hti hto htp htr hts htt ibb ibh ibi ibo ibp ibr ibs ibt ihb ihh ihi iho ihp ihr ihs iht iib iih iii iio iip iir iis iit io- iob ioh ioi ioo iop ior ios iot ipb ipi ipo ipp ipr ips ipt ir- irb iri iro irp irr irs irt is- isb ish isi iso isp isr iss ist itb ith iti ito itp its itt o-i ob- obb obh obi obo obp obr obs obt ohh ohi oho ohp ohr ohs oht oib oii oio oip oir ois oit oo- oob ooh ooi ooo oop oor oos oot op- opb oph opi opo opp opr ops opt or- orb orh ori oro orp orr ors ort os- osb osh osi oso osp osr oss ost ot- otb oth oti oto otp otr ots ott p-p pbb pbi pbo pbp pbr pbs pbt phb phi pho php phr phs pht pib pih pii pio pip pir pis pit pob poh poi poo pop por pos pot ppb pph ppi ppo ppp ppr pps ppt prb prh pri pro prp prr prs prt ps- psb psh psi pso psp psr pss pst pt- ptb pth pti pto ptp ptr pts ptt rbb rbh rbi rbo rbp rbr rbs rbt rh- rhb rhh rhi rho rhp rhr rhs rht rib rih rii rio rip rir ris rit rob roh roi roo rop ror ros rot rpb rph rpi rpo rpp rpr rps rpt rrb rrh rri rrp rrr rrs rrt rsb rsh rsi rso rsp rsr rss rst rtb rti rto rtp rtr rts rtt sbb sbh sbi sbo sbp sbr sbs sbt sh- shb shh shi sho shp shr shs sht sib sih sii sio sip sir sis sit sob soh soi soo sop sor sos sot spb sph spi spo spp spr sps spt sr- srb srh sri sro srp srr srs srt ss- ssb ssh ssi sso ssp ssr sss sst stb sth sti sto stp str sts stt tbb tbh tbi tbo tbp tbr tbs tbt th- thb thh thi tho thp thr ths tht tib tih tii tio tip tir tis tit to- tob toh toi too top tor tos tot tpb tph tpi tpo tpp tpr tps tpt trb trh tri tro trp trr trs trt tsb tsh tsi tso tsp tsr tss tst ttb tth tti tto ttp ttr tts ttt