-ic b-p bbb bbc bbi bbo bbp bbr bbs bbt bcb bcc bci bco bcp bcr bcs bct bi- bib bic bii bio bip bir bis bit bob boc boi boo bop bor bos bot bpb bpc bpi bpo bpp bpr bps bpt brb bri bro brp brr brs brt bsb bsc bsi bso bsp bsr bss bst btb btc bti bto btp btr bts btt c-- cbb cbc cbi cbo cbp cbr cbs cbt ccb ccc cci cco ccp ccr ccs cct ci- cib cic cii cio cip cir cis cit co- cob coc coi coo cop cor cos cot cpb cpc cpi cpo cpp cpr cps cpt crb crc cri cro crp crr crs crt csb csc csi cso csp csr css cst ctb ctc cti cto ctp ctr cts ctt ibb ibc ibi ibo ibp ibr ibs ibt icb icc ici ico icp icr ics ict iib iic iii iio iip iir iis iit io- iob ioc ioi ioo iop ior ios iot ipb ipc ipi ipo ipp ipr ips ipt ir- irb irc iri iro irp irr irs irt is- isb isc isi iso isp isr iss ist itb itc iti ito itp its itt o-i ob- obb obc obi obo obp obr obs obt oc- ocb occ oci oco ocp ocr ocs oct oib oic oii oio oip oir ois oit oo- oob ooc ooi ooo oop oor oos oot op- opb opc opi opo opp opr ops opt or- orb orc ori oro orp orr ors ort os- osb osc osi oso osp osr oss ost ot- otb otc oti oto otp otr ots ott p-p pbb pbc pbi pbo pbp pbr pbs pbt pcb pcc pci pco pcp pcr pcs pct pib pic pii pio pip pir pis pit pob poc poi poo pop por pos pot ppb ppc ppi ppo ppp ppr pps ppt prb prc pri pro prp prr prs prt ps- psb psc psi pso psp psr pss pst pt- ptb ptc pti pto ptp ptr pts ptt rbb rbc rbi rbo rbp rbr rbs rbt rcb rcc rci rco rcp rcr rcs rct rib ric rii rio rip rir ris rit rob roc roi roo rop ror ros rot rpb rpc rpi rpo rpp rpr rps rpt rrb rrc rri rrp rrr rrs rrt rsb rsc rsi rso rsp rsr rss rst rtb rtc rti rto rtp rtr rts rtt sbb sbc sbi sbo sbp sbr sbs sbt scb scc sci sco scp scr scs sct sib sic sii sio sip sir sis sit sob soc soi soo sop sor sos sot spb spc spi spo spp spr sps spt sr- srb src sri sro srp srr srs srt ss- ssb ssc ssi sso ssp ssr sss sst stb stc sti sto stp str sts stt tbb tbc tbi tbo tbp tbr tbs tbt tcb tcc tci tco tcp tcr tcs tct tib tic tii tio tip tir tis tit to- tob toc toi too top tor tos tot tpb tpc tpi tpo tpp tpr tps tpt trb trc tri tro trp trr trs trt tsb tsc tsi tso tsp tsr tss tst ttb ttc tti tto ttp ttr tts ttt

bbbb bbbs bbci bbpr bbrc bcbc bcbp bcbs bccc bcci bccs bcis bcit bcor bcos bcpp bcps bcrs bcsc bcss bctc bcts bibb bibi bibo bibs bicc bici bico bics biis bio- bioc bioi bios biot bipp bips birb biri biro birr birs birt bis- bisc biso bisp biss bist bitc bito bits bitt bobb bobi bobo bobs boco bocs boi- boii bois boit boob booc boop boor boos boot bopp bops bor- bori boro borr bors bort bosc bosi boso boss bost botb boti boto bots bott bpcp bpot bprc bpti brcb bric brio bris brit brob broc broo bror bros brot brrr brrs brsb brsr brst brtc bsci bscp bscs bsic bsos bspp bspr bssc bsts btbp btcc btcs btob btor btps btrc btrt btss bttb c-bo cbbc cbbs cbcc cbcp cbcr cbcs cbct cbir cbit cbot cbpc cbpp cbrt cbsc cbsi cbtc ccbc cccb cccc ccci cccp cccs ccic ccii ccip ccir ccis ccob ccoc ccpp ccpr ccps ccrc ccri ccrp ccrs ccrt ccsi ccsp ccss ccst cctb cctc cctt cibc cibi cibo cicc cici cico cicr cics cict ciii ciis ciit ciob cior cios cipo cipp cips cirb circ ciri ciro cirr cirs cirt cis- cisc cisp cisr ciss cist citb citi cito citp cits citt cobb cobi cobo cobs coco cocp coct coip coir cois coit coob coop coos coot copi copo copp copr cops copt cor- corb corc cori coro corp corr cors cort cosc cosi coso cosp coss cost cotb cotc coti coto cots cott cpbc cpcs cpic cpio cpos cpps cpri cprs cprt cpsc cpso cpsr cptp cptr cpts crbc crcc crcr crib cric crip cris crit crob croc croo crop cror crot crpc crps crrt crsp crss crst crtc crtp crts cscb cscc csci csco cscr cscs csib csio csir csis csit csob csor csos csot cspb cspc cspi csps cspt csrc csrs cssr cstc csto cstr csts ctbi ctbs ctcp ctic ctor ctos ctot ctpo ctpp ctps ctrc ctrp ctrs ctsc ctss ctts ibcs ibis ibos ibot ibrc ibri ibro ibss ibtb ibtc ibts icbc icbp icbs iccb iccc icci icco iccp iccr iccs icct icis icoc icor icos icpc icpo icps icrc icrr icrs icrt icsb icsc icsi icsp icsr icss icst ictp icts iiii iiio iiis iiit iioi iioo iiop iios iirc iirs iisc iisi iisp iisr iist iitr iitt iobi ioci iocp ioii ioio ioit iooi iooo ioos iops iori iors ioso ioto ipcc ipcs ipct ipop ipos ippc ippo ippr ipri ipsc ipsi ipso ipsp ipss iptc ipto ipts irbp ircc ircs iri- iric irio irip iris irob iroc irop irpc irps irrc irri irrs irsp irti irtp irts isbt iscc isci isco iscp iscr iscs isct isic isis isit iso- isoc isop isor isos ispc ispr isps isri isrp issc issi isso issp