-er -ic -ol b-p bbb bbc bbe bbf bbi bbl bbn bbo bbp bbr bbs bcb bcc bce bcf bci bcl bcn bco bcp bcr bcs be- beb bec bee bef bei bel ben beo bep ber bes bfb bfc bfe bff bfi bfl bfn bfo bfp bfr bfs bi- bib bic bie bif bii bil bin bio bip bir bis blb blc ble blf bli bll bln blo blp blr bls bnb bnc bne bnf bni bnl bnn bno bnp bnr bns bob boc boe bof boi bol bon boo bop bor bos bpb bpc bpe bpf bpi bpl bpn bpo bpp bpr bps brb bre brf bri brl brn bro brp brr brs bsb bsc bse bsf bsi bsl bsn bso bsp bsr bss c-- cbb cbc cbe cbf cbi cbl cbn cbo cbp cbr cbs ccb ccc cce ccf cci ccl ccn cco ccp ccr ccs ce- ceb cec cee cef cei cel cen ceo cep cer ces cfb cfc cfe cff cfi cfl cfn cfo cfp cfr cfs ci- cib cic cie cif cii cil cin cio cip cir cis cl- clb clc cle clf cli cll cln clo clp clr cls cn- cnb cnc cne cnf cni cnl cnn cno cnp cnr cns co- cob coc coe cof coi col con coo cop cor cos cpb cpc cpe cpf cpi cpl cpn cpo cpp cpr cps crb crc cre crf cri crl crn cro crp crr crs csb csc cse csf csi csl csn cso csp csr css ebb ebc ebe ebf ebi ebl ebn ebo ebp ebr ebs ec- ecb ecc ece ecf eci ecl ecn eco ecr ecs eeb eec eee eef eel een eeo eep eer ees ef- efb efc efe eff efi efl efo efp efr efs eib eic eie eif eii eil ein eio eip eir eis elb elc ele elf eli ell eln elo elp elr els en- enb enc ene enf eni enl enn eno enp enr ens eo- eob eoc eoe eof eoi eol eon eoo eop eor eos ep- epb epc epe epf epi epl epn epo epp epr eps erb erc ere erf eri erl ern ero erp err ers es- esb esc ese esf esi esl esn eso esp esr ess fbb fbc fbe fbf fbi fbl fbn fbo fbp fbr fbs fcb fcc fce fcf fci fcl fcn fco fcp fcr fcs feb fec fee fef fei fel fen feo fep fer fes ffc ffe fff ffi ffl ffn ffo ffp ffr ffs fib fic fie fif fii fil fin fip fir fis flb flc fle flf fli fll fln flo flp flr fls fnb fnc fne fnf fni fnl fnn fnp fnr fns fob foc foe fof foi fol fon foo fop for fos fpb fpc fpe fpi fpl fpn fpo fpp fpr fps frb frc fre frf fri frl frn fro frp frr frs fsb fsc fse fsf fsi fsl fsn fso fsp fsr fss i-f ibb ibc ibe ibf ibi ibl ibn ibo ibp ibr ibs icb icc ice icf ici icl icn ico icp icr ics ie- iec iee ief iei iel ien iep ier ies ifb ifc ife iff ifi ifl ifn ifo ifp ifr ifs iib iic iie iif iii iil iin iio iip iir iis il- ilb ilc ile ilf ili ill iln ilo ilp ilr ils in- inb inc ine inf ini inl inn ino inp inr ins io- iob ioc ioe iof ioi iol ion ioo iop ior ios ipb ipc ipe ipf ipi ipl ipn ipo ipp ipr ips ir- irb irc ire irf iri irl irn iro irp irr irs is- isb isc ise isf isi isl isn iso isp isr iss l-p lbb lbc lbe lbf lbi lbl lbo lbp lbr lbs lcb lcc lce lcf lci lcl lcn lco lcp lcr lcs leb lec lee lef lei lel len leo lep ler les lfb lfc lfe lff lfi lfl lfn lfo lfp lfr lfs lib lic lie lif lii lil lin lio lip lir lis llb llc lle llf lli lll lln llo llp llr lls lnb lnc lne lni lnl lnn lno lnp lnr lns lob loc loe lof loi lol lon loo lop lor los lpb lpc lpe lpf lpi lpl lpn lpo lpp lpr lps lrb lrc lrf lri lrn lro lrp lrr lrs lsb lsc lse lsf lsi lsl lsn lso lsp lsr lss n-i nbb nbc nbe nbf nbi nbl nbn nbo nbp nbr nbs ncb ncc nce ncf nci ncl ncn nco ncp ncr ncs ne- neb nec nee nef nei nel nen neo nep ner nes nfb nfc nfe nff nfi nfl nfn nfo nfp nfr nfs nib nic nie nif nii nil nin nio nip nir nis nlb nlc nle nlf nli nll nln nlo nlp nlr nls nnb nnc nne nnf nni nnl nnn nno nnp nns no- nob noc noe nof noi nol non noo nop nor nos npb npc npe npf npi npl npn npo npp npr nps nrb nrc nre nrf nri nrl nrn nro nrp nrr nrs nsb nsc nse nsf nsi nsl nsn nso nsp nsr nss o-i ob- obb obc obe obf obi obl obn obo obp obr obs oc- ocb occ ocf oci ocl ocn oco ocp ocr ocs oeb oec oee oef oei oel oen oeo oep oer oes of- ofb ofc ofe off ofi ofl ofn ofo ofp ofr ofs oib oic oie oif oii oil oin oio oip oir ois olb olc ole olf oli oll oln olo olp ols on- onb onc one onf oni onl onn ono onp onr ons oo- oob ooc oof ooi ool oon ooo oop oor oos op- opb opc ope opf opi opl opn opo opp opr ops or- orb orc ore orf ori orl orn oro orp orr ors os- osb osc ose osf osi osl osn oso osp osr oss p-p pbb pbc pbe pbf pbi pbl pbn pbo pbp pbr pbs