-er -ic bbb bbc bbe bbg bbi bbn bbr bbt bcb bcc bce bcg bci bcn bcr bct bcz be- beb bec bee beg bei ben ber bet bez bgb bgc bge bgg bgi bgn bgr bgt bgz bi- bib bic bie big bii bin bir bit biz bnb bnc bne bng bni bnn bnr bnt bnz brb bre brg bri brn brr brt brz btb btc bte btg bti btn btr btt btz bze bzn bzr bzz c-- cbb cbc cbe cbg cbi cbn cbr cbt cbz ccb ccc cce ccg cci ccn ccr cct ccz ce- ceb cec cee ceg cei cen cer cet cez cgb cgc cge cgg cgi cgn cgr cgt ci- cib cic cie cig cii cin cir cit cn- cnb cnc cne cng cni cnn cnr cnt crb crc cre crg cri crn crr crt crz ctb ctc cte ctg cti ctn ctr ctt ctz cz- czc cze czt ebb ebc ebe ebg ebi ebn ebr ebt ec- ecb ecc ece ecg eci ecn ecr ect eeb eec eee eeg een eer eet egb egc ege egg egi egn egr egt eib eic eie eig eii ein eir eit en- enb enc ene eng eni enn enr ent enz erb erc ere erg eri ern err ert erz etb etc ete etg eti etn etr ett etz eze ezr ezz gbc gbe gbg gbi gbn gbr gbt gbz gcb gcc gce gcg gci gcn gcr gct ge- geb gec gee geg gei gen ger get gez ggb ggc ggg ggi ggn ggr ggt ggz gib gic gie gig gii gin gir git giz gnb gnc gne gni gnn gnr gnt grb grc gre grg gri grn grr grt gtb gtc gte gtg gti gtn gtr gtt gzr ibb ibc ibe ibg ibi ibn ibr ibt ibz icb icc ice icg ici icn icr ict icz ie- iec iee ieg iei ien ier iet igb igc ige igg igi ign igr igt iib iic iie iii iin iir iit in- inb inc ine ing ini inn inr int ir- irb irc ire irg iri irn irr irt itb itc ite itg iti itn itt itz ize izi izz n-i nbb nbc nbe nbg nbi nbn nbr nbt ncb ncc nce ncg nci ncn ncr nct ne- neb nec nee neg nei nen ner net nez ngb ngc nge ngg ngi ngn ngt nib nic nie nig nii nin nir nit niz nnb nnc nne nng nni nnn nnt nnz nrb nrc nre nrg nri nrn nrr nrt nrz ntb ntc nte ntg nti ntn ntr ntt ntz nzb nze nzg nzi nzz rbb rbc rbe rbg rbi rbn rbr rbt rcb rcc rce rcg rci rcn rcr rct re- reb rec ree reg rei ren rer ret rez rgb rgc rge rgg rgi rgn rgr rgt rib ric rie rig rii rin rir rit riz rnb rnc rng rni rnn rnr rnt rnz rrb rrc rrg rri rrn rrr rrt rtb rtc rte rtg rti rtn rtr rtt rtz rzb rze tbb tbc tbe tbg tbi tbn tbr tbt tbz tcb tcc tce tcg tci tcn tcr tct te- teb tec tee teg tei ten ter tet tez tgb tgc tge tgg tgi tgn tgr tgt tgz tib tic tie tig tii tin tir tit tiz tnb tnc tne tng tni tnn tnr tnt tnz trb trc tre trg tri trn trr trt trz ttb ttc tte ttg tti ttn ttr ttt tze z-g zbb zbc zbr zbt zce zeb zec zee zen zer zet zez zgb zgg zgi zib zie zig zin zir zit ziz znc zne znn zte ztr zzr zzt zzz