-ic b-p bbb bbc bbi bbn bbo bbp bbr bbs bcb bcc bci bcn bco bcp bcr bcs bi- bib bic bii bin bio bip bir bis bnb bnc bni bnn bno bnp bnr bns bob boc boi bon boo bop bor bos bpb bpc bpi bpn bpo bpp bpr bps brb bri brn bro brp brr brs bsb bsc bsi bsn bso bsp bsr bss c-- cbb cbc cbi cbn cbo cbp cbr cbs ccb ccc cci ccn cco ccp ccr ccs ci- cib cic cii cin cio cip cir cis cn- cnb cnc cni cnn cno cnp cnr cns co- cob coc coi con coo cop cor cos cpb cpc cpi cpn cpo cpp cpr cps crb crc cri crn cro crp crr crs csb csc csi csn cso csp csr css ibb ibc ibi ibn ibo ibp ibr ibs icb icc ici icn ico icp icr ics iib iic iii iin iio iip iir iis in- inb inc ini inn ino inp inr ins io- iob ioc ioi ion ioo iop ior ios ipb ipc ipi ipn ipo ipp ipr ips ir- irb irc iri irn iro irp irr irs is- isb isc isi isn iso isp isr iss n-i nbb nbc nbi nbn nbo nbp nbr nbs ncb ncc nci ncn nco ncp ncr ncs nib nic nii nin nio nip nir nis nnb nnc nni nnn nno nnp nns no- nob noc noi non noo nop nor nos npb npc npi npn npo npp npr nps nrb nrc nri nrn nro nrp nrr nrs nsb nsc nsi nsn nso nsp nsr nss o-i ob- obb obc obi obn obo obp obr obs oc- ocb occ oci ocn oco ocp ocr ocs oib oic oii oin oio oip oir ois on- onb onc oni onn ono onp onr ons oo- oob ooc ooi oon ooo oop oor oos op- opb opc opi opn opo opp opr ops or- orb orc ori orn oro orp orr ors os- osb osc osi osn oso osp osr oss p-p pbb pbc pbi pbn pbo pbp pbr pbs pcb pcc pci pcn pco pcp pcr pcs pib pic pii pin pio pip pir pis pn- pnb pnc pni pnn pno pnp pnr pns pob poc poi pon poo pop por pos ppb ppc ppi ppn ppo ppp ppr pps prb prc pri prn pro prp prr prs ps- psb psc psi psn pso psp psr pss rbb rbc rbi rbn rbo rbp rbr rbs rcb rcc rci rcn rco rcp rcr rcs rib ric rii rin rio rip rir ris rnb rnc rni rnn rno rnp rnr rns rob roc roi ron roo rop ror ros rpb rpc rpi rpn rpo rpp rpr rps rrb rrc rri rrn rrp rrr rrs rsb rsc rsi rsn rso rsp rsr rss sbb sbc sbi sbn sbo sbp sbr sbs scb scc sci scn sco scp scr scs sib sic sii sin sio sip sir sis snb snc sni snn sno snp snr sns sob soc soi son soo sop sor sos spb spc spi spn spo spp spr sps sr- srb src sri srn sro srp srr srs ss- ssb ssc ssi ssn sso ssp ssr sss

bbbb bbbs bbci bbin bbpr bbrc bcbc bcbp bcbs bccc bcci bccs bcis bcor bcos bcpp bcps bcrs bcsc bcsn bcss bibb bibi bibo bibs bicc bici bico bics biin biis bin- binc bini binn bino bins bio- bioc bioi bion bios bipp bips birb biri birn biro birr birs bis- bisc biso bisp biss bnib bnin bnoc bnor bnpp bnrr bnss bobb bobi bobo bobs boco bocs boi- boii boin bois bonc boni bonn bono bons boob booc boon boop boor boos bopp bops bor- bori born boro borr bors bosc bosi bosn boso boss bpcp bprc brcb bric brin brio bris brno brns brob broc bron broo bror bros brrr brrs brsb brsr bsci bscp bscs bsic bsin bsns bson bsos bspp bspr bssc c-bo cbbc cbbs cbcc cbcn cbcp cbcr cbcs cbir cbpc cbpp cbrn cbsc cbsi cbsn ccbc ccbn cccb cccc ccci cccp cccs ccic ccii ccip ccir ccis ccnb ccnc ccni ccnp ccnr ccns ccob ccoc ccpn ccpp ccpr ccps ccrc ccri ccrp ccrs ccsi ccsn ccsp ccss cibc cibi cibo cicc cici cico cicr cics ciii ciis cin- cinc cini cino ciob cion cior cios cipo cipp cips cirb circ ciri ciro cirr cirs cis- cisc cisn cisp cisr ciss cnbc cnbp cnci cnco cncp cnib cnic cnrc cnrr cnss cobb cobi cobo cobs coco cocp coin coip coir cois con- conc coni conn cono cons coob coon coop coos copi copo copp copr cops cor- corb corc cori corn coro corp corr cors cosc cosi coso cosp coss cpbc cpcs cpic cpio cpnb cpni cpns cpos cpps cpri cprs cpsc cpso cpsr crbc crcc crcr crib cric crin crip cris crns crob croc cron croo crop cror crpc crps crsp crss cscb cscc csci csco cscr cscs csib csio csir csis csnp csob csor csos cspb cspc cspi csps csrc csrs cssr i-no ibcs ibis ibns ibon ibos ibrc ibri ibro ibsn ibss icbc icbp icbs iccb iccc icci iccn icco iccp iccr iccs icis icnb icnc icns icoc icon icor icos icpc icpo icps icrc icrr icrs icsb icsc icsi icsp icsr icss iiii iiio iiis iino iioi iioo iiop iios iirc iirs iisc iisi iisp iisr inbo incb inci inco incr incs inis inni inno innr inns ino- inoi inon inor inos inp- inpi inpp inri inro inrs insc inso insp inss iobi ioci iocp ioii ioio ioni ionn iono ions iooi iooo ioos iops iori iors ioso ipcc ipcs ipin ipop ipos ippc ippo ippr ipri ipsc ipsi ipso ipsp ipss irbp ircc ircs iri- iric irin irio irip iris irob iroc iron irop irpc irps irrc irri irrs irsp isbn iscc isci iscn isco iscp iscr iscs isic isin isis isno iso- isoc ison isop isor isos ispc ispr isps isri isrp issc issi