-er b-p bbb bbe bbi bbk bbl bbn bbp bbr bbs bbt be- beb bee bei bek bel ben bep ber bes bet bi- bib bie bii bik bil bin bip bir bis bit bkb bke bkk bkl bkn bkp bkr bks bkt blb ble bli blk bll bln blp blr bls blt bnb bne bni bnk bnl bnn bnp bnr bns bnt bpb bpe bpi bpl bpn bpp bpr bps bpt brb bre bri brk brl brn brp brr brs brt bsb bse bsi bsk bsl bsn bsp bsr bss bst btb bte bti btk btl btn btp btr bts btt ebb ebe ebi ebk ebl ebn ebp ebr ebs ebt eeb eee eek eel een eep eer ees eet eib eie eii eik eil ein eip eir eis eit ekb eke eki ekl ekp ekr eks ekt elb ele eli elk ell eln elp elr els elt en- enb ene eni enk enl enn enp enr ens ent ep- epb epe epi epl epn epp epr eps ept erb ere eri erk erl ern erp err ers ert es- esb ese esi esk esl esn esp esr ess est etb ete eti etk etl etn etp etr ets ett ibb ibe ibi ibk ibl ibn ibp ibr ibs ibt ie- iee iei iek iel ien iep ier ies iet iib iie iii iil iin iip iir iis iit ikb ike iki ikk ikl ikr iks ikt il- ilb ile ili ilk ill iln ilp ilr ils ilt in- inb ine ini ink inl inn inp inr ins int ipb ipe ipi ipl ipn ipp ipr ips ipt ir- irb ire iri irk irl irn irp irr irs irt is- isb ise isi isk isl isn isp isr iss ist itb ite iti itk itl itn itp its itt k-t kbb kbe kbi kbk kbl kbn kbp kbr kbs ke- keb kee kei kek kel ken kep ker kes ket kib kie kii kik kil kin kip kir kis kit kkb kke kki kkk kkl kkn kkp kkr kks kkt kl- klb kli klr kls klt kn- kne kni knk knl knn knp knr knt kpe kpi kpk kpl kpn kpp kpr kps kpt kri krk krl krn krp krr krs krt ksb kse ksi ksk ksl ksn ksp ksr kss kst ktb kte ktk ktl ktn ktp ktr kts ktt l-p lbb lbe lbi lbk lbl lbp lbr lbs lbt leb lee lei lek lel len lep ler les let lib lie lii lik lil lin lip lir lis lit lkb lkl lkp lkr lks lkt llb lle lli llk lll lln llp llr lls llt lnb lne lni lnk lnl lnn lnp lnr lns lnt lpb lpe lpi lpk lpl lpn lpp lpr lps lpt lrb lri lrk lrn lrp lrr lrs lrt lsb lse lsi lsk lsl lsn lsp lsr lss lst ltb lte lti ltk ltl ltp ltr lts ltt n-i nbb nbe nbi nbk nbl nbn nbp nbr nbs nbt ne- neb nee nei nek nel nen nep ner nes net nib nie nii nik nil nin nip nir nis nit nke nki nkk nkn nkp nkr nks nkt nlb nle nli nlk nll nln nlp nlr nls nlt nnb nne nni nnk nnl nnn nnp nns nnt npb npe npi npl npn npp npr nps npt nrb nre nri nrk nrl nrn nrp nrr nrs nrt nsb nse nsi nsk nsl nsn nsp nsr nss nst ntb nte nti ntk ntn ntp ntr nts ntt p-p pbb pbe pbi pbk pbl pbn pbp pbr pbs pbt peb pee pei pek pel pen pep per pes pet pib pie pii pik pil pin pip pir pis pit pkb pke pki pkl pkn pkp pkr pks pkt plb ple pli plk pll pln plp plr pls plt pn- pnb pne pni pnk pnl pnn pnp pnr pns pnt ppb ppe ppi ppk ppl ppn ppp ppr pps ppt prb pre pri prk prl prn prp prr prs prt ps- psb pse psi psk psl psn psp psr pss pst pt- ptb pte pti ptk ptl ptn ptp ptr pts ptt rbb rbe rbi rbk rbl rbn rbp rbr rbs rbt re- reb ree rei rek rel ren rep rer res ret rib rie rii rik ril rin rip rir ris rit rkb rke rkk rkp rks rkt rle rli rll rln rlp rlr rls rlt rnb rni rnn rnp rnr rns rnt rpb rpe rpi rpk rpl rpn rpp rpr rps rpt rrb rri rrk rrl rrn rrp rrr rrs rrt rsb rse rsi rsk rsl rsn rsp rsr rss rst rtb rte rti rtk rtl rtn rtp rtr rts rtt sbb sbe sbi sbk sbl sbn sbp sbr sbs sbt se- seb see sei sek sel sen sep ser ses set sib sie sii sik sil sin sip sir sis sit sk- skb ske ski skk skl skp skr sks skt slb sle sli slk sll sln slp slr sls slt snb sne sni snk snl snn snp snr sns snt spb spe spi spk spl spn spp spr sps spt sr- srb sre sri srk srl srn srp srr srs srt ss- ssb sse ssi ssk ssl ssn ssp ssr sss sst stb ste sti stk stl stn stp str sts stt tbb tbe tbi tbk tbl tbn tbp tbr tbs tbt te- teb tee tei tek tel ten tep ter tes tet tib tie tii tik til tin tip tir tis tit tkb tke tkk tkl tkp tkr tks tkt tle tli tlk tll tln tlp tlr tls tlt tnb tne tni tnk tnl tnn tnp tnr tns tnt tpb tpe tpi tpk tpl tpn tpp tpr tps tpt trb tre tri trk trl trn trp trr trs trt tsb tse tsi tsk tsl tsn tsp tsr tss tst ttb tte tti ttk ttl ttn ttp ttr tts ttt