-ic b-p bbb bbc bbh bbi bbk bbo bbp bbr bbs bcb bcc bch bci bck bco bcp bcr bcs bhb bhc bhh bhi bhk bho bhp bhr bhs bi- bib bic bih bii bik bio bip bir bis bkb bkc bkk bko bkp bkr bks bob boc boh boi bok boo bop bor bos bpb bpc bph bpi bpo bpp bpr bps brb brh bri brk bro brp brr brs bsb bsc bsh bsi bsk bso bsp bsr bss c-- cbb cbc cbh cbi cbk cbo cbp cbr cbs ccb ccc cch cci cck cco ccp ccr ccs ch- chb chc chh chi chk cho chp chr chs ci- cib cic cih cii cik cio cip cir cis ckb ckc ckh cki cko cks co- cob coc coh coi cok coo cop cor cos cpb cpc cph cpi cpk cpo cpp cpr cps crb crc crh cri crk cro crp crr crs csb csc csh csi csk cso csp csr css h-i hbb hbc hbh hbi hbk hbo hbp hbr hbs hcb hcc hch hci hck hco hcp hcr hcs hhb hhc hhh hhi hhk hho hhp hhr hhs hib hic hih hii hik hio hip hir his hkb hkh hki hkk hko hkp hkr hks hob hoc hoh hoi hok hoo hop hor hos hpb hpc hph hpi hpk hpo hpp hpr hps hr- hrb hrc hrh hri hrk hro hrp hrr hrs hsb hsc hsh hsi hsk hsp hsr hss ibb ibc ibh ibi ibk ibo ibp ibr ibs icb icc ich ici ick ico icp icr ics ihb ihc ihh ihi ihk iho ihp ihr ihs iib iic iih iii iio iip iir iis ikb ikc iki ikk iko ikr iks io- iob ioc ioh ioi ioo iop ior ios ipb ipc ipi ipo ipp ipr ips ir- irb irc iri irk iro irp irr irs is- isb isc ish isi isk iso isp isr iss kbb kbc kbh kbi kbk kbo kbp kbr kbs kcb kcc kch kci kck kcp kcr kcs khh khi khk kho khr khs kib kic kih kii kik kio kip kir kis kkb kkc kkh kki kkk kkp kkr kks kob koc koh koi kok koo kop kor kos kpc kph kpi kpk kpo kpp kpr kps krc kri krk kro krp krr krs ksb ksc ksh ksi ksk kso ksp ksr kss o-i ob- obb obc obh obi obk obo obp obr obs oc- ocb occ och oci ock oco ocp ocr ocs ohc ohh ohi oho ohp ohr ohs oib oic oii oik oio oip oir ois okb okc oki okk oko okp okr oks oo- oob ooc ooh ooi ook ooo oop oor oos op- opb opc oph opi opk opo opp opr ops or- orb orc orh ori ork oro orp orr ors os- osb osc osh osi osk oso osp osr oss p-p pbb pbc pbi pbk pbo pbp pbr pbs pcb pcc pch pci pck pco pcp pcr pcs phb phc phi phk pho php phr phs pib pic pih pii pik pio pip pir pis pkb pkc pki pko pkp pkr pks pob poc poh poi pok poo pop por pos ppb ppc pph ppi ppk ppo ppp ppr pps prb prc prh pri prk pro prp prr prs ps- psb psc psh psi psk pso psp psr pss rbb rbc rbh rbi rbk rbo rbp rbr rbs rcb rcc rch rci rco rcp rcr rcs rh- rhb rhc rhh rhi rho rhp rhr rhs rib ric rih rii rik rio rip rir ris rkb rkc rkk rko rkp rks rob roc roh roi rok roo rop ror ros rpb rpc rph rpi rpk rpo rpp rpr rps rrb rrc rrh rri rrk rrp rrr rrs rsb rsc rsh rsi rsk rso rsp rsr rss sbb sbc sbh sbi sbk sbo sbp sbr sbs scb scc sch sci sck sco scp scr scs sh- shb shc shh shi shk sho shp shr shs sib sic sih sii sik sio sip sir sis sk- skb skc skh ski skk sko skp skr sks sob soc soh soi sok soo sop sor sos spb spc sph spi spk spo spp spr sps sr- srb src srh sri srk sro srp srr srs ss- ssb ssc ssh ssi ssk sso ssp ssr sss

bbbb bbbs bbch bbci bbhs bbpr bbrc bcbc bcbp bcbs bccc bcci bccs bchs bcis bcor bcos bcpp bcps bcrs bcsc bcss bhcc bhhs bhir bhoi bhor bibb bibi bibo bibs bicc bich bici bick bico bics bihi bihs biis bikh biko bio- bioc bioi bios bipp bips birb biri birk biro birr birs bis- bisc bish bisk biso bisp biss bkhs bkpr bksp bobb bobi bobo bobs boch bock boco bocs boho bohr bohs boi- boii bois boki boko boks boob booc booh book boop boor boos bopp bops bor- borh bori bork boro borr bors bosc bosh bosi bosk boso boss bpcp bphc bphs bprc brcb brhs bric brih brik brio bris brkb brob broc broh brok broo bror bros brrr brrs brsb brsr bsci bscp bscs bshs bsic bsos bspp bspr bssc c-bo cbbc cbbs cbcc cbcp cbcr cbcs cbhs cbir cbko cbkr cbpc cbpp cbrh cbsc cbsi ccbc cccb cccc ccci cccp cccs cchp cchr cchs ccic ccii ccip ccir ccis ccob ccoc ccpp ccpr ccps ccrc ccri ccrp ccrs ccsi ccsp ccss chbp chch chci chcp chcs chhs chib chic chih chik chip chir chis chkb chks choc choh choi chok choo chop chor chos chpp chpr chrb chrc chro chrp chrr chrs chsc chsh chsi chsr cibc cibi cibo cicc cich cici cico cicr cics cihr cihs ciii ciis ciko cikr ciob cior cios cipo cipp cips cirb circ cirh ciri cirk ciro cirr cirs cis- cisc cish cisk cisp cisr ciss ckbc ckbi ckch ckck ckco ckcs ckhs ckob ckoc ckoi ckoo ckor ckos ckpc ckpr ckrc cksb cksh ckso cobb cobh cobi cobo cobs coch cock coco cocp coho cohs coip coir cois cok- coko