-er -ic b-u bbb bbc bbe bbg bbi bbk bbn bbr bbt bbu bbw bcb bcc bce bcg bci bck bcn bcr bct bcu be- beb bec bee beg bei bek ben ber bet beu bew bgb bgc bge bgg bgi bgk bgn bgr bgt bgu bgw bi- bib bic bie big bii bik bin bir bit biu biw bkb bkc bke bkg bkk bkn bkr bkt bkw bnb bnc bne bng bni bnk bnn bnr bnt bnu bnw brb bre brg bri brk brn brr brt bru brw btb btc bte btg bti btk btn btr btt btu btw bub buc bue bug bui buk bun bur but buu buw bwb bwc bwg bwi bwk bwr bwu c-- cbb cbc cbe cbg cbi cbk cbn cbr cbt cbu cbw ccb ccc cce ccg cci cck ccn ccr cct ccu ccw ce- ceb cec cee ceg cei cek cen cer cet ceu cew cgb cgc cge cgg cgi cgn cgr cgt cgu cgw ci- cib cic cie cig cii cik cin cir cit ciu ciw ckb ckc cki ckt ckw cn- cnb cnc cne cng cni cnn cnr cnt cnu cnw crb crc cre crg cri crk crn crr crt cru crw ctb ctc cte ctg cti ctk ctn ctr ctt ctu ctw cub cuc cue cug cui cuk cun cur cut cuu cuw cw- cwb cwc cwe cwg cwi cwk cwn cwr cwt cwu ebb ebc ebe ebg ebi ebk ebn ebr ebt ebu ebw ec- ecb ecc ece ecg eci eck ecn ecr ect ecu ecw eeb eec eee eeg eek een eer eet eew egb egc ege egg egi egn egr egt egu egw eib eic eie eig eii eik ein eir eit eiu ekb ekc eke ekg eki ekr ekt eku en- enb enc ene eng eni enk enn enr ent enu enw erb erc ere erg eri erk ern err ert eru erw etb etc ete etg eti etk etn etr ett etu etw eu- eub euc eue eug eui eun eur eut ewb ewc ewe ewi ewk ewr ewt ewu eww gbc gbe gbg gbi gbk gbn gbr gbt gbu gbw gcb gcc gce gcg gci gck gcn gcr gct gcu gcw ge- geb gec gee geg gei gek gen ger get geu gew ggb ggc ggg ggi ggn ggr ggt ggu ggw gib gic gie gig gii gik gin gir git giu gkb gkn gkt gnb gnc gne gni gnn gnr gnt gnu gnw grb grc gre grg gri grk grn grr grt gru grw gtb gtc gte gtg gti gtk gtn gtr gtt gtu gtw gu- gub guc gue gug gui guk gun gur gut guu gwb gwc gwe gwg gwi gwk gwn gwr gwt gwu ibb ibc ibe ibg ibi ibk ibn ibr ibt ibu ibw icb icc ice icg ici ick icn icr ict icu icw ie- iec iee ieg iei iek ien ier iet igb igc ige igg igi igk ign igr igt igu igw iib iic iie iii iin iir iit iiu iiw ikb ikc ike iki ikk ikr ikt iku in- inb inc ine ing ini ink inn inr int inu ir- irb irc ire irg iri irk irn irr irt iru itb itc ite itg iti itk itn itt itu iu- iub iuc iue iug iui iur iut iwb iwc iwe iwg iwi iwk iwr iwt iwu iww k-t kbb kbc kbe kbi kbk kbn kbr kbu kbw kcb kcc kce kcg kci kck kcn kcr kct kcu ke- keb kec kee keg kei kek ken ker ket kew kgb kgc kgi kgu kgw kib kic kie kig kii kik kin kir kit kiu kkb kkc kke kki kkk kkn kkr kkt kku kn- knc kne kng kni knk knn knr knt knu krc krg kri krk krn krr krt kru krw ktb ktc kte ktg ktk ktn ktr ktt ktu ktw kub kuc kue kug kui kuk kun kur kut kuu kw- kwc kwg kwi kwk kwt kww n-i nbb nbc nbe nbg nbi nbk nbn nbr nbt nbu nbw ncb ncc nce ncg nci nck ncn ncr nct ncu ncw ne- neb nec nee neg nei nek nen ner net neu new ngb ngc nge ngg ngi ngk ngn ngt ngu ngw nib nic nie nig nii nik nin nir nit niu nkc nke nki nkk nkn nkr nkt nku nnb nnc nne nng nni nnk nnn nnt nnu nnw nrb nrc nre nrg nri nrk nrn nrr nrt nru nrw ntb ntc nte ntg nti ntk ntn ntr ntt ntu nub nuc nue nug nui nuk nun nur nut nuu nwb nwc nwe nwi nwn nwr nwt nwu rbb rbc rbe rbg rbi rbk rbn rbr rbt rbu rbw rcb rcc rce rcg rci rcn rcr rct rcu rcw re- reb rec ree reg rei rek ren rer ret reu rew rgb rgc rge rgg rgi rgk rgn rgr rgt rgw rib ric rie rig rii rik rin rir rit rkb rkc rke rkg rkk rkt rku rnb rnc rng rni rnn rnr rnt rnu rnw rrb rrc rrg rri rrk rrn rrr rrt rru rtb rtc rte rtg rti rtk rtn rtr rtt rtu rtw rub ruc rue rug rui ruk run rur rut ruu rwb rwc rwe rwi rwr rwu tbb tbc tbe tbg tbi tbk tbn tbr tbt tbu tcb tcc tce tcg tci tck tcn tcr tct tcu tcw te- teb tec tee teg tei tek ten ter tet teu tew tgb tgc tge tgg tgi tgk tgn tgr tgt tgu tib tic tie tig tii tik tin tir tit tiu tiw tkb tkc tke tkg tkk tkr tkt tkw tnb tnc tne tng tni tnk tnn tnr tnt tnw trb trc tre trg tri trk trn trr trt tru trw ttb ttc tte ttg tti ttk ttn ttr ttt ttu ttw tub tuc tue tug tui tuk tun tur tut tuu twb twc twe twg twi twn twr twt twu tww ubb ubc ube ubg ubi ubk ubn