-ic b-p bbb bbc bbe bbg bbi bbk bbl bbn bbp bbs bcb bcc bce bcg bci bck bcl bcn bcp bcs be- beb bec bee beg bei bek bel ben bep bes bgb bgc bge bgg bgi bgk bgl bgn bgp bgs bi- bib bic bie big bii bik bil bin bip bis bkb bkc bke bkg bkk bkl bkn bkp bks blb blc ble blg bli blk bll bln blp bls bnb bnc bne bng bni bnk bnl bnn bnp bns bpb bpc bpe bpg bpi bpl bpn bpp bps bsb bsc bse bsg bsi bsk bsl bsn bsp bss c-- cbb cbc cbe cbg cbi cbk cbl cbn cbp cbs ccb ccc cce ccg cci cck ccl ccn ccp ccs ce- ceb cec cee ceg cei cek cel cen cep ces cgb cgc cge cgg cgi cgl cgn cgp cgs ci- cib cic cie cig cii cik cil cin cip cis ckb ckc cki cks cl- clb clc cle clg cli clk cll cln clp cls cn- cnb cnc cne cng cni cnl cnn cnp cns cpb cpc cpe cpg cpi cpk cpl cpn cpp cps csb csc cse csg csi csk csl csn csp css ebb ebc ebe ebg ebi ebk ebl ebn ebp ebs ec- ecb ecc ece ecg eci eck ecl ecn ecs eeb eec eee eeg eek eel een eep ees egb egc ege egg egi egl egn egp egs eib eic eie eig eii eik eil ein eip eis ekb ekc eke ekg eki ekl ekp eks elb elc ele elg eli elk ell eln elp els en- enb enc ene eng eni enk enl enn enp ens ep- epb epc epe epg epi epl epn epp eps es- esb esc ese esg esi esk esl esn esp ess g-p gbc gbe gbg gbi gbk gbl gbn gbp gbs gcb gcc gce gcg gci gck gcl gcn gcp gcs ge- geb gec gee geg gei gek gel gen gep ges ggb ggc ggg ggi ggn ggp ggs gib gic gie gig gii gik gil gin gip gis gkb gkn gkp gks glb glc gle glg gli glk gll gln glp gls gnb gnc gne gni gnl gnn gnp gns gpb gpc gpe gpg gpi gpk gpl gpn gpp gps gsb gsc gse gsg gsi gsk gsl gsn gsp gss ibb ibc ibe ibg ibi ibk ibl ibn ibp ibs icb icc ice icg ici ick icl icn icp ics ie- iec iee ieg iei iek iel ien iep ies igb igc ige igg igi igk igl ign igp igs iib iic iie iii iil iin iip iis ikb ikc ike iki ikk ikl iks il- ilb ilc ile ilg ili ilk ill iln ilp ils in- inb inc ine ing ini ink inl inn inp ins ipb ipc ipe ipg ipi ipl ipn ipp ips is- isb isc ise isg isi isk isl isn isp iss kbb kbc kbe kbi kbk kbl kbn kbp kbs kcb kcc kce kcg kci kck kcl kcn kcp kcs ke- keb kec kee keg kei kek kel ken kep kes kgb kgc kgi kgl kgp kgs kib kic kie kig kii kik kil kin kip kis kkb kkc kke kki kkk kkl kkn kkp kks kl- klb klc klg kli kls kn- knc kne kng kni knk knl knn knp kpc kpe kpi kpk kpl kpn kpp kps ksb ksc kse ksg ksi ksk ksl ksn ksp kss l-p lbb lbc lbe lbg lbi lbk lbl lbp lbs lcb lcc lce lcg lci lck lcl lcn lcp lcs leb lec lee leg lei lek lel len lep les lgb lgc lge lgg lgi lgk lgl lgn lgp lgs lib lic lie lig lii lik lil lin lip lis lkb lkg lkl lkp lks llb llc lle llg lli llk lll lln llp lls lnb lnc lne lng lni lnk lnl lnn lnp lns lpb lpc lpe lpg lpi lpk lpl lpn lpp lps lsb lsc lse lsg lsi lsk lsl lsn lsp lss n-i nbb nbc nbe nbg nbi nbk nbl nbn nbp nbs ncb ncc nce ncg nci nck ncl ncn ncp ncs ne- neb nec nee neg nei nek nel nen nep nes ngb ngc nge ngg ngi ngk ngl ngn ngp ngs nib nic nie nig nii nik nil nin nip nis nkc nke nki nkk nkn nkp nks nlb nlc nle nlg nli nlk nll nln nlp nls nnb nnc nne nng nni nnk nnl nnn nnp nns npb npc npe npg npi npl npn npp nps nsb nsc nse nsg nsi nsk nsl nsn nsp nss p-p pbb pbc pbe pbg pbi pbk pbl pbn pbp pbs pcb pcc pce pcg pci pck pcl pcn pcp pcs peb pec pee peg pei pek pel pen pep pes pgb pgc pge pgg pgi pgk pgl pgn pgp pgs pib pic pie pig pii pik pil pin pip pis pkb pkc pke pkg pki pkl pkn pkp pks plb plc ple plg pli plk pll pln plp pls pn- pnb pnc pne png pni pnk pnl pnn pnp pns ppb ppc ppe ppg ppi ppk ppl ppn ppp pps ps- psb psc pse psg psi psk psl psn psp pss sbb sbc sbe sbg sbi sbk sbl sbn sbp sbs scb scc sce scg sci sck scl scn scp scs se- seb sec see seg sei sek sel sen sep ses sgb sgc sge sgg sgi sgk sgl sgn sgp sgs sib sic sie sig sii sik sil sin sip sis sk- skb skc ske skg ski skk skl skp sks slb slc sle slg sli slk sll sln slp sls snb snc sne sng sni snk snl snn snp sns spb spc spe spg spi spk spl spn spp sps ss- ssb ssc sse ssg ssi ssk ssl ssn ssp sss