-er -ic b-u bbb bbc bbe bbf bbi bbn bbo bbr bbs bbt bbu bcb bcc bce bcf bci bcn bco bcr bcs bct bcu be- beb bec bee bef bei ben beo ber bes bet beu bfb bfc bfe bff bfi bfn bfo bfr bfs bft bfu bi- bib bic bie bif bii bin bio bir bis bit biu bnb bnc bne bnf bni bnn bno bnr bns bnt bnu bob boc boe bof boi bon boo bor bos bot bou brb bre brf bri brn bro brr brs brt bru bsb bsc bse bsf bsi bsn bso bsr bss bst bsu btb btc bte btf bti btn bto btr bts btt btu bub buc bue buf bui bun buo bur bus but buu c-- cbb cbc cbe cbf cbi cbn cbo cbr cbs cbt cbu ccb ccc cce ccf cci ccn cco ccr ccs cct ccu ce- ceb cec cee cef cei cen ceo cer ces cet ceu cfb cfc cfe cff cfi cfn cfo cfr cfs cft cfu ci- cib cic cie cif cii cin cio cir cis cit ciu cn- cnb cnc cne cnf cni cnn cno cnr cns cnt cnu co- cob coc coe cof coi con coo cor cos cot cou crb crc cre crf cri crn cro crr crs crt cru csb csc cse csf csi csn cso csr css cst csu ctb ctc cte ctf cti ctn cto ctr cts ctt ctu cub cuc cue cuf cui cun cuo cur cus cut cuu ebb ebc ebe ebf ebi ebn ebo ebr ebs ebt ebu ec- ecb ecc ece ecf eci ecn eco ecr ecs ect ecu eeb eec eee eef een eeo eer ees eet ef- efb efc efe eff efi efo efr efs eft eib eic eie eif eii ein eio eir eis eit eiu en- enb enc ene enf eni enn eno enr ens ent enu eo- eob eoc eoe eof eoi eon eoo eor eos eot eou erb erc ere erf eri ern ero err ers ert eru es- esb esc ese esf esi esn eso esr ess est esu etb etc ete etf eti etn eto etr ets ett etu eu- eub euc eue euf eui eun eur eus eut fbb fbc fbe fbf fbi fbn fbo fbr fbs fbt fbu fcb fcc fce fcf fci fcn fco fcr fcs fct fcu feb fec fee fef fei fen feo fer fes fet feu ffc ffe fff ffi ffn ffo ffr ffs fft ffu fib fic fie fif fii fin fir fis fit fiu fnb fnc fne fnf fni fnn fnr fns fnt fnu fob foc foe fof foi fon foo for fos fot fou frb frc fre frf fri frn fro frr frs frt fru fsb fsc fse fsf fsi fsn fso fsr fss fst fsu ftb ftc fte ftf fti ftn fto ftr fts ftt ftu fub fue fuf fui fun fuo fur fus fut fuu i-f ibb ibc ibe ibf ibi ibn ibo ibr ibs ibt ibu icb icc ice icf ici icn ico icr ics ict icu ie- iec iee ief iei ien ier ies iet ifb ifc ife iff ifi ifn ifo ifr ifs ift ifu iib iic iie iif iii iin iio iir iis iit iiu in- inb inc ine inf ini inn ino inr ins int inu io- iob ioc ioe iof ioi ion ioo ior ios iot iou ir- irb irc ire irf iri irn iro irr irs irt iru is- isb isc ise isf isi isn iso isr iss ist isu itb itc ite itf iti itn ito its itt itu iu- iub iuc iue iui iur ius iut n-i nbb nbc nbe nbf nbi nbn nbo nbr nbs nbt nbu ncb ncc nce ncf nci ncn nco ncr ncs nct ncu ne- neb nec nee nef nei nen neo ner nes net neu nfb nfc nfe nff nfi nfn nfo nfr nfs nft nfu nib nic nie nif nii nin nio nir nis nit niu nnb nnc nne nnf nni nnn nno nns nnt nnu no- nob noc noe nof noi non noo nor nos not nou nrb nrc nre nrf nri nrn nro nrr nrs nrt nru nsb nsc nse nsf nsi nsn nso nsr nss nst nsu ntb ntc nte ntf nti ntn nto ntr nts ntt ntu nub nuc nue nui nun nuo nur nus nut nuu o-i ob- obb obc obe obf obi obn obo obr obs obt obu oc- ocb occ ocf oci ocn oco ocr ocs oct ocu oeb oec oee oef oei oen oeo oer oes oet of- ofb ofc ofe off ofi ofn ofo ofr ofs oft ofu oib oic oie oif oii oin oio oir ois oit oiu on- onb onc one onf oni onn ono onr ons ont onu oo- oob ooc oof ooi oon ooo oor oos oot or- orb orc ore orf ori orn oro orr ors ort oru os- osb osc ose osf osi osn oso osr oss ost osu ot- otb otc ote otf oti otn oto otr ots ott otu ou- ouc oue ouf oui oun ouo our ous out rbb rbc rbe rbf rbi rbn rbo rbr rbs rbt rbu rcb rcc rce rcf rci rcn rco rcr rcs rct rcu re- reb rec ree ref rei ren reo rer res ret reu rfb rfc rfe rff rfi rfn rfo rfr rfs rft rfu rib ric rie rif rii rin rio rir ris rit rnb rnc rni rnn rno rnr rns rnt rnu rob roc roe rof roi ron roo ror ros rot rou rrb rrc rrf rri rrn rrr rrs rrt rru rsb rsc rse rsf rsi rsn rso rsr rss rst rsu rtb rtc rte rtf rti rtn rto rtr rts rtt rtu rub ruc rue ruf rui run ruo rur rus rut ruu sbb sbc sbe sbf sbi sbn sbo sbr sbs sbt sbu scb scc sce scf sci scn sco scr scs sct scu se- seb sec see sef