-ic b-p bbb bbc bbg bbi bbn bbo bbp bbr bbs bcb bcc bcg bci bcn bco bcp bcr bcs bgb bgc bgg bgi bgn bgo bgp bgr bgs bi- bib bic big bii bin bio bip bir bis bnb bnc bng bni bnn bno bnp bnr bns bob boc bog boi bon boo bop bor bos bpb bpc bpg bpi bpn bpo bpp bpr bps brb brg bri brn bro brp brr brs bsb bsc bsg bsi bsn bso bsp bsr bss c-- cbb cbc cbg cbi cbn cbo cbp cbr cbs ccb ccc ccg cci ccn cco ccp ccr ccs cgb cgc cgg cgi cgn cgo cgp cgr cgs ci- cib cic cig cii cin cio cip cir cis cn- cnb cnc cng cni cnn cno cnp cnr cns co- cob coc cog coi con coo cop cor cos cpb cpc cpg cpi cpn cpo cpp cpr cps crb crc crg cri crn cro crp crr crs csb csc csg csi csn cso csp csr css g-p gbc gbg gbi gbn gbo gbp gbr gbs gcb gcc gcg gci gcn gco gcp gcr gcs ggb ggc ggg ggi ggn ggo ggp ggr ggs gib gic gig gii gin gio gip gir gis gnb gnc gni gnn gno gnp gnr gns gob goc gog goi gon goo gop gor gos gpb gpc gpg gpi gpn gpo gpp gpr gps grb grc grg gri grn gro grp grr grs gsb gsc gsg gsi gsn gso gsp gsr gss ibb ibc ibg ibi ibn ibo ibp ibr ibs icb icc icg ici icn ico icp icr ics igb igc igg igi ign igo igp igr igs iib iic iii iin iio iip iir iis in- inb inc ing ini inn ino inp inr ins io- iob ioc iog ioi ion ioo iop ior ios ipb ipc ipg ipi ipn ipo ipp ipr ips ir- irb irc irg iri irn iro irp irr irs is- isb isc isg isi isn iso isp isr iss n-i nbb nbc nbg nbi nbn nbo nbp nbr nbs ncb ncc ncg nci ncn nco ncp ncr ncs ngb ngc ngg ngi ngn ngo ngp ngs nib nic nig nii nin nio nip nir nis nnb nnc nng nni nnn nno nnp nns no- nob noc nog noi non noo nop nor nos npb npc npg npi npn npo npp npr nps nrb nrc nrg nri nrn nro nrp nrr nrs nsb nsc nsg nsi nsn nso nsp nsr nss o-i ob- obb obc obg obi obn obo obp obr obs oc- ocb occ ocg oci ocn oco ocp ocr ocs ogc ogg ogi ogn ogo ogp ogs oib oic oii oin oio oip oir ois on- onb onc ong oni onn ono onp onr ons oo- oob ooc oog ooi oon ooo oop oor oos op- opb opc opg opi opn opo opp opr ops or- orb orc org ori orn oro orp orr ors os- osb osc osg osi osn oso osp osr oss p-p pbb pbc pbg pbi pbn pbo pbp pbr pbs pcb pcc pcg pci pcn pco pcp pcr pcs pgb pgc pgg pgi pgn pgo pgp pgr pgs pib pic pig pii pin pio pip pir pis pn- pnb pnc png pni pnn pno pnp pnr pns pob poc pog poi pon poo pop por pos ppb ppc ppg ppi ppn ppo ppp ppr pps prb prc prg pri prn pro prp prr prs ps- psb psc psg psi psn pso psp psr pss rbb rbc rbg rbi rbn rbo rbp rbr rbs rcb rcc rcg rci rcn rco rcp rcr rcs rgb rgc rgg rgi rgn rgo rgp rgr rgs rib ric rig rii rin rio rip rir ris rnb rnc rng rni rnn rno rnp rnr rns rob roc rog roi ron roo rop ror ros rpb rpc rpg rpi rpn rpo rpp rpr rps rrb rrc rrg rri rrn rrp rrr rrs rsb rsc rsg rsi rsn rso rsp rsr rss sbb sbc sbg sbi sbn sbo sbp sbr sbs scb scc scg sci scn sco scp scr scs sgb sgc sgg sgi sgn sgo sgp sgr sgs sib sic sig sii sin sio sip sir sis snb snc sng sni snn sno snp snr sns sob soc sog soi son soo sop sor sos spb spc spg spi spn spo spp spr sps sr- srb src srg sri srn sro srp srr srs ss- ssb ssc ssg ssi ssn sso ssp ssr sss

-ing bbbb bbbs bbci bbin bbng bbpr bbrc bbrg bcbc bcbg bcbp bcbs bccc bcci bccs bcgs bcis bcor bcos bcpp bcps bcrs bcsc bcsn bcss bggs bgon bibb bibi bibo bibs bicc bicg bici bico bics bigb bigc bigg bign bigo bigs biin biis bin- binc bing bini binn bino bins bio- bioc biog bioi bion bios bipp bips birb birg biri birn biro birr birs bis- bisc biso bisp biss bnib bnin bnoc bnor bnpp bnrr bnss bobb bobi bobo bobs boco bocs bogg bogi bogo bogs boi- boii boin bois bonc bong boni bonn bono bons boob booc boog boon boop boor boos bopp bops bor- borg bori born boro borr bors bosc bosi bosn boso boss bpcp bprc brcb bric brig brin brio bris brno brns brob broc brog bron broo bror bros brrr brrs brsb brsr bsci bscp bscs bsgs bsic bsin bsns bson bsos bspp bspr bssc c-bo cbbc cbbs cbcc cbcn cbcp cbcr cbcs cbgb cbir cbpc cbpp cbrn cbsc cbsi cbsn ccbc ccbn cccb cccc ccci cccp cccs ccgc ccgs ccic ccii ccip ccir ccis ccnb ccnc ccni ccnp ccnr ccns ccob ccoc ccpn ccpp ccpr ccps ccrc ccrg ccri ccrp ccrs ccsg ccsi ccsn ccsp ccss cgcc cgcg cggs cgis cgns cgro cgsb cgss cibc cibi cibo cicc cici cico cicr cics cigi cigs ciii ciis cin- cinc cing 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