-er -ol b-u bbb bbc bbe bbf bbl bbm bbn bbo bbr bbs bbu bcb bcc bce bcf bcl bcm bcn bco bcr bcs bcu be- beb bec bee bef bel bem ben beo ber bes beu bfb bfc bfe bff bfl bfm bfn bfo bfr bfs bfu blb blc ble blf bll blm bln blo blr bls blu bmb bmc bme bmf bml bmm bmn bmo bmr bms bmu bnb bnc bne bnf bnl bnn bno bnr bns bnu bob boc boe bof bol bom bon boo bor bos bou brb bre brf brl brm brn bro brr brs bru bsb bsc bse bsf bsl bsm bsn bso bsr bss bsu bub buc bue buf bul bum bun buo bur bus buu c-- cbb cbc cbe cbf cbl cbm cbn cbo cbr cbs cbu ccb ccc cce ccf ccl ccm ccn cco ccr ccs ccu ce- ceb cec cee cef cel cem cen ceo cer ces ceu cfb cfc cfe cff cfl cfm cfn cfo cfr cfs cfu cl- clb clc cle clf cll clm cln clo clr cls clu cmb cmc cme cmf cml cmm cmn cmo cmr cms cmu cn- cnb cnc cne cnf cnl cnm cnn cno cnr cns cnu co- cob coc coe cof col com con coo cor cos cou crb crc cre crf crl crm crn cro crr crs cru csb csc cse csf csl csm csn cso csr css csu cub cuc cue cuf cul cum cun cuo cur cus cuu ebb ebc ebe ebf ebl ebm ebn ebo ebr ebs ebu ec- ecb ecc ece ecf ecl ecm ecn eco ecr ecs ecu eeb eec eee eef eel eem een eeo eer ees ef- efb efc efe eff efl efm efo efr efs elb elc ele elf ell elm eln elo elr els elu em- emb emc eme emf eml emm emn emo emr ems emu en- enb enc ene enf enl enm enn eno enr ens enu eo- eob eoc eoe eof eol eom eon eoo eor eos eou erb erc ere erf erl erm ern ero err ers eru es- esb esc ese esf esl esm esn eso esr ess esu eu- eub euc eue euf eul eun eur eus fbb fbc fbe fbf fbl fbm fbn fbo fbr fbs fbu fcb fcc fce fcf fcl fcm fcn fco fcr fcs fcu feb fec fee fef fel fem fen feo fer fes feu ffc ffe fff ffl ffm ffn ffo ffr ffs ffu flb flc fle flf fll flm fln flo flr fls flu fmb fmc fme fmf fml fmm fmn fmo fmr fms fmu fnb fnc fne fnf fnl fnm fnn fnr fns fnu fob foc foe fof fol fom fon foo for fos fou frb frc fre frf frl frm frn fro frr frs fru fsb fsc fse fsf fsl fsm fsn fso fsr fss fsu fub fue fuf ful fum fun fuo fur fus fuu lbb lbc lbe lbf lbl lbm lbo lbr lbs lbu lcb lcc lce lcf lcl lcm lcn lco lcr lcs lcu leb lec lee lef lel lem len leo ler les leu lfb lfc lfe lff lfl lfm lfn lfo lfr lfs lfu llb llc lle llf lll llm lln llo llr lls llu lmb lmc lme lmf lml lmm lmn lmo lmr lms lmu lnb lnc lne lnl lnm lnn lno lnr lns lnu lob loc loe lof lol lom lon loo lor los lou lrb lrc lrf lrm lrn lro lrr lrs lru lsb lsc lse lsf lsl lsm lsn lso lsr lss lsu lub luc lue luf lul lum lun luo lur lus luu m-f m-o m-r mbb mbc mbe mbf mbl mbm mbo mbr mbs mbu mc- mcb mcc mce mcf mcl mcm mcn mco mcr mcs mcu meb mec mee mef mel mem men meo mer mes meu mfb mfc mfe mff mfl mfm mfn mfo mfr mfs mfu mlb mlc mle mlf mll mlm mln mlo mlr mls mlu mmb mmc mme mmf mml mmm mmn mmo mmr mms mmu mnb mnc mne mnf mnl mnm mnn mno mnr mns mnu mob moc moe mof mol mom mon moo mor mos mou mrb mrc mre mrf mrl mrm mrn mro mrr mrs mru msb msc mse msf msl msm msn mso msr mss msu mub muc mue muf mul mum mun mur mus muu nbb nbc nbe nbf nbl nbm nbn nbo nbr nbs nbu ncb ncc nce ncf ncl ncm ncn nco ncr ncs ncu ne- neb nec nee nef nel nem nen neo ner nes neu nfb nfc nfe nff nfl nfn nfo nfr nfs nfu nlb nlc nle nlf nll nlm nln nlo nlr nls nlu nmb nmc nme nml nmm nmn nmo nmr nms nmu nnb nnc nne nnf nnl nnm nnn nno nns nnu no- nob noc noe nof nol nom non noo nor nos nou nrb nrc nre nrf nrl nrm nrn nro nrr nrs nru nsb nsc nse nsf nsl nsm nsn nso nsr nss nsu nub nuc nue nul num nun nuo nur nus nuu ob- obb obc obe obf obl obm obn obo obr obs obu oc- ocb occ ocf ocl ocm ocn oco ocr ocs ocu oeb oec oee oef oel oem oen oeo oer oes of- ofb ofc ofe off ofl ofm ofn ofo ofr ofs ofu olb olc ole olf oll olm oln olo ols olu om- omb omc ome omf oml omm omn omo omr oms omu on- onb onc one onf onl onn ono onr ons onu oo- oob ooc oof ool oom oon ooo oor oos or- orb orc ore orf orl orm orn oro orr ors oru os- osb osc ose osf osl osm osn oso osr oss osu ou- ouc oue ouf oul oum oun ouo our ous rbb rbc rbe rbf rbl rbm rbn rbo rbr rbs rbu rcb rcc rce rcf rcl rcm rcn rco rcr rcs rcu re- reb rec ree ref rel rem ren