-er b-p bbb bbe bbg bbi bbn bbp bbr bbt be- beb bee beg bei ben bep ber bet bez bgb bge bgg bgi bgn bgp bgr bgt bgz bi- bib bie big bii bin bip bir bit biz bnb bne bng bni bnn bnp bnr bnt bnz bpb bpe bpg bpi bpn bpp bpr bpt brb bre brg bri brn brp brr brt brz btb bte btg bti btn btp btr btt btz bze bzn bzp bzr bzz ebb ebe ebg ebi ebn ebp ebr ebt eeb eee eeg een eep eer eet egb ege egg egi egn egp egr egt eib eie eig eii ein eip eir eit en- enb ene eng eni enn enp enr ent enz ep- epb epe epg epi epn epp epr ept epz erb ere erg eri ern erp err ert erz etb ete etg eti etn etp etr ett etz eze ezr ezz g-p gbe gbg gbi gbn gbp gbr gbt gbz ge- geb gee geg gei gen gep ger get gez ggb ggg ggi ggn ggp ggr ggt ggz gib gie gig gii gin gip gir git giz gnb gne gni gnn gnp gnr gnt gpb gpe gpg gpi gpn gpp gpr gpt gpz grb gre grg gri grn grp grr grt gtb gte gtg gti gtn gtp gtr gtt gzp gzr ibb ibe ibg ibi ibn ibp ibr ibt ibz ie- iee ieg iei ien iep ier iet igb ige igg igi ign igp igr igt iib iie iii iin iip iir iit in- inb ine ing ini inn inp inr int ipb ipe ipg ipi ipn ipp ipr ipt ir- irb ire irg iri irn irp irr irt itb ite itg iti itn itp itt itz ize izi izz n-i nbb nbe nbg nbi nbn nbp nbr nbt ne- neb nee neg nei nen nep ner net nez ngb nge ngg ngi ngn ngp ngt nib nie nig nii nin nip nir nit niz nnb nne nng nni nnn nnp nnt nnz npb npe npg npi npn npp npr npt npz nrb nre nrg nri nrn nrp nrr nrt nrz ntb nte ntg nti ntn ntp ntr ntt ntz nzb nze nzg nzi nzp nzz p-p pbb pbe pbg pbi pbn pbp pbr pbt pbz peb pee peg pei pen pep per pet pez pgb pge pgg pgi pgn pgp pgr pgt pib pie pig pii pin pip pir pit piz pn- pnb pne png pni pnn pnp pnr pnt ppb ppe ppg ppi ppn ppp ppr ppt ppz prb pre prg pri prn prp prr prt prz pt- ptb pte ptg pti ptn ptp ptr ptt ptz pzp pzt rbb rbe rbg rbi rbn rbp rbr rbt re- reb ree reg rei ren rep rer ret rez rgb rge rgg rgi rgn rgp rgr rgt rib rie rig rii rin rip rir rit riz rnb rng rni rnn rnp rnr rnt rnz rpb rpe rpg rpi rpn rpp rpr rpt rpz rrb rrg rri rrn rrp rrr rrt rtb rte rtg rti rtn rtp rtr rtt rtz rzb rze tbb tbe tbg tbi tbn tbp tbr tbt tbz te- teb tee teg tei ten tep ter tet tez tgb tge tgg tgi tgn tgp tgr tgt tgz tib tie tig tii tin tip tir tit tiz tnb tne tng tni tnn tnp tnr tnt tnz tpb tpe tpg tpi tpn tpp tpr tpt tpz trb tre trg tri trn trp trr trt trz ttb tte ttg tti ttn ttp ttr ttt tze z-g zbb zbr zbt zeb zee zen zep zer zet zez zgb zgg zgi zib zie zig zin zip zir zit ziz zne znn znp zpe zpg zpi zpp zpr zpt zrp zte ztr zzr zzt zzz