-er -ic b-u bbb bbc bbe bbf bbg bbi bbn bbo bbr bbt bbu bcb bcc bce bcf bcg bci bcn bco bcr bct bcu be- beb bec bee bef beg bei ben beo ber bet beu bfb bfc bfe bff bfg bfi bfn bfo bfr bft bfu bgb bgc bge bgf bgg bgi bgn bgo bgr bgt bgu bi- bib bic bie bif big bii bin bio bir bit biu bnb bnc bne bnf bng bni bnn bno bnr bnt bnu bob boc boe bof bog boi bon boo bor bot bou brb bre brf brg bri brn bro brr brt bru btb btc bte btf btg bti btn bto btr btt btu bub buc bue buf bug bui bun buo bur but buu c-- cbb cbc cbe cbf cbg cbi cbn cbo cbr cbt cbu ccb ccc cce ccf ccg cci ccn cco ccr cct ccu ce- ceb cec cee cef ceg cei cen ceo cer cet ceu cfb cfc cfe cff cfg cfi cfn cfo cfr cft cfu cgb cgc cge cgg cgi cgn cgo cgr cgt cgu ci- cib cic cie cif cig cii cin cio cir cit ciu cn- cnb cnc cne cnf cng cni cnn cno cnr cnt cnu co- cob coc coe cof cog coi con coo cor cot cou crb crc cre crf crg cri crn cro crr crt cru ctb ctc cte ctf ctg cti ctn cto ctr ctt ctu cub cuc cue cuf cug cui cun cuo cur cut cuu ebb ebc ebe ebf ebg ebi ebn ebo ebr ebt ebu ec- ecb ecc ece ecf ecg eci ecn eco ecr ect ecu eeb eec eee eef eeg een eeo eer eet ef- efb efc efe eff efg efi efo efr eft egb egc ege egf egg egi egn ego egr egt egu eib eic eie eif eig eii ein eio eir eit eiu en- enb enc ene enf eng eni enn eno enr ent enu eo- eob eoc eoe eof eog eoi eon eoo eor eot eou erb erc ere erf erg eri ern ero err ert eru etb etc ete etf etg eti etn eto etr ett etu eu- eub euc eue euf eug eui eun eur eut fbb fbc fbe fbf fbg fbi fbn fbo fbr fbt fbu fcb fcc fce fcf fcg fci fcn fco fcr fct fcu feb fec fee fef feg fei fen feo fer fet feu ffc ffe fff ffg ffi ffn ffo ffr fft ffu fgb fgc fge fgf fgg fgi fgn fgr fgt fib fic fie fif fig fii fin fir fit fiu fnb fnc fne fnf fng fni fnn fnr fnt fnu fob foc foe fof fog foi fon foo for fot fou frb frc fre frf frg fri frn fro frr frt fru ftb ftc fte ftf ftg fti ftn fto ftr ftt ftu fub fue fuf fug fui fun fuo fur fut fuu gbc gbe gbf gbg gbi gbn gbo gbr gbt gbu gcb gcc gce gcf gcg gci gcn gco gcr gct gcu ge- geb gec gee gef geg gei gen geo ger get geu gfb gfc gfe gff gfi gfo gfr gft ggb ggc ggg ggi ggn ggo ggr ggt ggu gib gic gie gif gig gii gin gio gir git giu gnb gnc gne gnf gni gnn gno gnr gnt gnu gob goc goe gof gog goi gon goo gor got gou grb grc gre grf grg gri grn gro grr grt gru gtb gtc gte gtf gtg gti gtn gto gtr gtt gtu gu- gub guc gue guf gug gui gun guo gur gut guu i-f ibb ibc ibe ibf ibg ibi ibn ibo ibr ibt ibu icb icc ice icf icg ici icn ico icr ict icu ie- iec iee ief ieg iei ien ier iet ifb ifc ife iff ifg ifi ifn ifo ifr ift ifu igb igc ige igf igg igi ign igo igr igt igu iib iic iie iif iii iin iio iir iit iiu in- inb inc ine inf ing ini inn ino inr int inu io- iob ioc ioe iof iog ioi ion ioo ior iot iou ir- irb irc ire irf irg iri irn iro irr irt iru itb itc ite itf itg iti itn ito itt itu iu- iub iuc iue iug iui iur iut n-i nbb nbc nbe nbf nbg nbi nbn nbo nbr nbt nbu ncb ncc nce ncf ncg nci ncn nco ncr nct ncu ne- neb nec nee nef neg nei nen neo ner net neu nfb nfc nfe nff nfi nfn nfo nfr nft nfu ngb ngc nge ngf ngg ngi ngn ngo ngt ngu nib nic nie nif nig nii nin nio nir nit niu nnb nnc nne nnf nng nni nnn nno nnt nnu no- nob noc noe nof nog noi non noo nor not nou nrb nrc nre nrf nrg nri nrn nro nrr nrt nru ntb ntc nte ntf ntg nti ntn nto ntr ntt ntu nub nuc nue nug nui nun nuo nur nut nuu o-i ob- obb obc obe obf obg obi obn obo obr obt obu oc- ocb occ ocf ocg oci ocn oco ocr oct ocu oeb oec oee oef oeg oei oen oeo oer oet of- ofb ofc ofe off ofg ofi ofn ofo ofr oft ofu ogc oge ogf ogg ogi ogn ogo ogt oib oic oie oif oii oin oio oir oit oiu on- onb onc one onf ong oni onn ono onr ont onu oo- oob ooc oof oog ooi oon ooo oor oot or- orb orc ore orf org ori orn oro orr ort oru ot- otb otc ote otf otg oti otn oto otr ott otu ou- ouc oue ouf oui oun ouo our out rbb rbc rbe rbf rbg rbi rbn rbo rbr rbt rbu rcb rcc rce rcf rcg rci rcn rco rcr rct rcu re- reb rec ree ref reg rei ren reo rer ret reu rfb rfc rfe rff rfg rfi rfn rfo