b-p bbb bbi bbp bbs bbt bi- bib bii bip bis bit bpb bpi bpp bps bpt bsb bsi bsp bss bst btb bti btp bts btt ibb ibi ibp ibs ibt iib iii iip iis iit ipb ipi ipp ips ipt is- isb isi isp iss ist itb iti itp its itt p-p pbb pbi pbp pbs pbt pib pii pip pis pit ppb ppi ppp pps ppt ps- psb psi psp pss pst pt- ptb pti ptp pts ptt sbb sbi sbp sbs sbt sib sii sip sis sit spb spi spp sps spt ss- ssb ssi ssp sss sst stb sti stp sts stt tbb tbi tbp tbs tbt tib tii tip tis tit tpb tpi tpp tps tpt tsb tsi tsp tss tst ttb tti ttp tts ttt

bbbb bbbs bibb bibi bibs biis bipp bips bis- bisp biss bist bits bitt bpti bspp bsts btbp btps btss bttb ibis ibss ibtb ibts iiii iiis iiit iisi iisp iist iitt ipsi ipsp ipss ipts isbt isis isit isps issi issp isss isti istp ists itbs itis itsi itsp pbsp pibb pibi piip pipi pipp pips pisi piss pist piti pits pitt ppib pppp ppps ppss ppts pptt psbt psip psis pspi pspp psps psst psts s-ib s-ii sbbs sbsi sbsp sbst sibi sibs siit sipi sipp sips sipt sisi siss sist sit- siti sits sitt spib spip spis spit spps spsp spss spst sptb spts ssis ssit ssps sspt sssb sssi ssss sstb sstp ssts stbs stib stip stis stit stpp stps stsi stss tbbs tbit tbsp tbst tbtp tibi tibs tiit tip- tipi tipp tips tipt tisb tisi tiss tist titi titp tits titt tppp tptp tsis tsps tspt tssi tsst tsts ttbb ttss tttt

-itis bibbs bibis bipib bitis bitit bitti bitts bpips iiiii iitti ipiti ipsi- is-is isisi isiti isits isitt itbit itisi itsit ittti piisi pipis pipit pippi pissi pisti pitip pitis pitti pitts pssst pssts s-iii sipit sippi sipsi sipti sisis sissi sists sitit sitsi sitti spiss spiti spits sssss stib- stibb stips stitt tbsps tbtbt ti-ti tibbi tibbs tipis tipit tippi tisis tiss- tissi titii titis titti tppts ttttt

bbbbbb bs-tbs isists pipipi pipisb pipits pippip pissis pistis pitpit pittis pppppp ppsspp sibiti siiiii sisisi stibi- stipit tibbit tip-it tipiti tippis tippit titbit

bbbbbbb bissibi pip-pip sibbits ssipsis sssssss tibbits tibbitt tit-bit titbits

bbbbbbbb i-ii-iii psssssst tipi-tii tit-bits

issisisis pittspits

pip-pip-pip pitsi-pitsi

bbbbbbbbbbbbbbb

iiiiiiiiiiiiiiiis