-ic b-p bbb bbc bbi bbp bbr bbs bbt bcb bcc bci bcp bcr bcs bct bcv bi- bib bic bii bip bir bis bit biv bpb bpc bpi bpp bpr bps bpt bpv brb bri brp brr brs brt brv bsb bsc bsi bsp bsr bss bst bsv btb btc bti btp btr bts btt btv bvb bvc bvi bvp bvr bvs bvt bvv c-- cbb cbc cbi cbp cbr cbs cbt cbv ccb ccc cci ccp ccr ccs cct ccv ci- cib cic cii cip cir cis cit civ cpb cpc cpi cpp cpr cps cpt cpv crb crc cri crp crr crs crt crv csb csc csi csp csr css cst csv ctb ctc cti ctp ctr cts ctt ctv cvb cvc cvi cvp cvr cvs cvt cvv i-v ibb ibc ibi ibp ibr ibs ibt ibv icb icc ici icp icr ics ict icv iib iic iii iip iir iis iit ipb ipc ipi ipp ipr ips ipt ipv ir- irb irc iri irp irr irs irt irv is- isb isc isi isp isr iss ist isv itb itc iti itp its itt itv ivb ivc ivi ivp ivr ivs ivt ivv p-p pbb pbc pbi pbp pbr pbs pbt pcb pcc pci pcp pcr pcs pct pcv pib pic pii pip pir pis pit piv ppb ppc ppi ppp ppr pps ppt ppv prb prc pri prp prr prs prt prv ps- psb psc psi psp psr pss pst psv pt- ptb ptc pti ptp ptr pts ptt ptv pvb pvc pvi pvp pvr pvs pvt pvv rbb rbc rbi rbp rbr rbs rbt rcb rcc rci rcp rcr rcs rct rcv rib ric rii rip rir ris rit riv rpb rpc rpi rpp rpr rps rpt rpv rrb rrc rri rrp rrr rrs rrt rsb rsc rsi rsp rsr rss rst rsv rtb rtc rti rtp rtr rts rtt rtv rvb rvc rvi rvp rvr rvs rvt rvv sbb sbc sbi sbp sbr sbs sbt sbv scb scc sci scp scr scs sct scv sib sic sii sip sir sis sit siv spb spc spi spp spr sps spt spv sr- srb src sri srp srr srs srt srv ss- ssb ssc ssi ssp ssr sss sst ssv stb stc sti stp str sts stt stv svb svc svi svp svr svs svt svv tbb tbc tbi tbp tbr tbs tbt tbv tcb tcc tci tcp tcr tcs tct tcv tib tic tii tip tir tis tit tiv tpb tpc tpi tpp tpr tps tpt tpv trb trc tri trp trr trs trt trv tsb tsc tsi tsp tsr tss tst tsv ttb ttc tti ttp ttr tts ttt ttv tvb tvc tvi tvp tvr tvs tvt vbc vbi vbr vbs vbv vcc vci vcp vcr vcs vct vi- vib vic vii vip vir vis vit viv vpb vpc vpi vpp vpr vps vpt vrb vrc vri vrp vrr vrs vrt vsb vsc vsi vsp vsr vss vst vsv vtb vtc vti vtr vts vtt vtv vvb vvc vvi vvr vvs vvt vvv

bbbb bbbs bbci bbpr bbrc bcbc bcbp bcbs bccc bcci bccs bcis bcit bcpp bcps bcrs bcsc bcss bctc bcts bibb bibi bibs bicc bici bics biis bipp bips birb biri birr birs birt bis- bisc bisp biss bist bitc bits bitt bivi bpcp bprc bpti brcb bric bris brit brrr brrs brsb brsr brst brtc brvi bsci bscp bscs bsic bspp bspr bssc bsts bstv btbp btcc btcs btps btrc btrt btss bttb btvi bvsc cbbc cbbs cbcc cbcp cbcr cbcs cbct cbir cbit cbpc cbpp cbrt cbsc cbsi cbtc cbtv cbvb cbvp cbvr ccbc cccb cccc ccci cccp cccs cccv ccic ccii ccip ccir ccis cciv ccpp ccpr ccps ccrc ccri ccrp ccrs ccrt ccsi ccsp ccss ccst cctb cctc cctt cctv ccvi ccvs cibc cibi cicc cici cicr cics cict ciii ciis ciit cipp cips cirb circ ciri cirr cirs cirt cis- cisc cisp cisr ciss cist cisv citb citi citp cits citt citv civc cpbc cpcs cpic cpps cpri cprs cprt cpsc cpsr cptp cptr cpts cpvc cpvt crbc crcc crcr crib cric crip cris crit crpc crps crrt crsp crss crst crtc crtp crts crtv cscb cscc csci cscr cscs csib csir csis csit cspb cspc cspi csps cspt csrc csrs cssr cstc cstr csts ctbi ctbs ctcp ctic ctpp ctps ctrc ctrp ctrs ctsc ctss ctts ctvt cvbs cvcc cvii cvrr cvss ibcs ibis ibrc ibri ibss ibtb ibtc ibts icbc icbp icbs iccb iccc icci iccp iccr iccs icct icis icpc icps icrc icrr icrs icrt icsb icsc icsi icsp icsr icss icst ictp icts ictv iiii iiis iiit iirc iirs iisc iisi iisp iisr iist iitr iitt ipcc ipcs ipct ippc ippr ipri ipsc ipsi ipsp ipss iptc ipts iptv ipvs irbp ircc ircs iri- iric irip iris irpc irps irrc irri irrs irsp irti irtp irts irvs isbt iscc isci iscp iscr iscs isct isic isis isit ispc ispr isps isri isrp issc issi issp issr isss istc isti istp istr ists itbs itcs itic itis itpc itri itrs itsi itsp ivbv ivic ivrs pbcc pbrs pbsp pcbc pcbs pccc pccs pcip pcpb pcpp pcps pcrc pcts pctv pibb pibi picc pici picr pics pict piip pipi pipp pips pirc piri pirr pirs pisi piss pist piti pitr pits pitt ppbv ppcc ppci ppcs ppib ppic pppp ppps pprc ppss ppts pptt pptv prbc prbs prcc prcp prcs pri- prii pris priv prps prri prrs prsc prsi prss prsv prtc prti prtp prtr psbr psbt psci psip psis pspi pspp pspr psps psrp pssc psst psts pstv psvt ptcc pttc pvcs pvts rbbb rbbr rbbs rbis rbsp rbss rbst rcbc rccb rccc rccs rcic rcis rcpi rcps rcpt rcsc rcsi rcss rctc rcti rcts rctv rcvr rcvs rib- ribs ricc rics rict riis ripi ripp ripr rips ript riri rirs risc risi risp riss rist riti rits ritt rivp rivs rpcs rpii rpps rpts rrrr rrsp rsbi rscc rscs rsis rspb rsps