-er b-p bbb bbd bbe bbg bbi bbk bbn bbp bbr bdb bdd bde bdg bdi bdk bdp bdr be- beb bed bee beg bei bek ben bep ber bgb bgd bge bgg bgi bgk bgn bgp bgr bi- bib bid bie big bii bik bin bip bir bkb bke bkg bkk bkn bkp bkr bnb bnd bne bng bni bnk bnn bnp bnr bpb bpd bpe bpg bpi bpn bpp bpr brb brd bre brg bri brk brn brp brr dbb dbd dbe dbg dbi dbk dbn dbp dbr ddb ddd dde ddg ddi ddk ddn ddp ddr de- deb ded dee deg dei dek den dep der dgd dge dgg dgi dgk dgn dgp dgr di- dib did die dig dii dik din dip dir dkb dke dkg dki dkk dkp dkr dnb dnd dne dng dni dnk dnn dnp dnr dpb dpd dpe dpg dpi dpk dpn dpp dpr drb drd dre drg dri drk drn drp drr ebb ebd ebe ebg ebi ebk ebn ebp ebr ed- edb edd ede edg edi edk edn edp edr eeb eed eee eeg eek een eep eer egb egd ege egg egi egn egp egr eib eid eie eig eii eik ein eip eir ekb ekd eke ekg eki ekp ekr en- enb end ene eng eni enk enn enp enr ep- epb epd epe epg epi epn epp epr erb erd ere erg eri erk ern erp err g-d g-p gbd gbe gbg gbi gbk gbn gbp gbr gdb gdd gde gdi gdk gdn gdp gdr ge- geb ged gee geg gei gek gen gep ger ggb ggd ggg ggi ggn ggp ggr gib gid gie gig gii gik gin gip gir gkb gkd gkn gkp gnb gnd gne gni gnn gnp gnr gpb gpd gpe gpg gpi gpk gpn gpp gpr grb grd gre grg gri grk grn grp grr i-d ibb ibd ibe ibg ibi ibk ibn ibp ibr idb idd ide idg idi idk idn idp idr ie- ied iee ieg iei iek ien iep ier igb igd ige igg igi igk ign igp igr iib iid iie iii iin iip iir ikb ike iki ikk ikr in- inb ind ine ing ini ink inn inp inr ipb ipd ipe ipg ipi ipn ipp ipr ir- irb ird ire irg iri irk irn irp irr kbb kbd kbe kbi kbk kbn kbp kbr kdb kde kdg kdk kdp kdr ke- keb ked kee keg kei kek ken kep ker kgb kgd kgi kgp kib kid kie kig kii kik kin kip kir kkb kke kki kkk kkn kkp kkr kn- knd kne kng kni knk knn knp knr kpd kpe kpi kpk kpn kpp kpr krd krg kri krk krn krp krr n-i nbb nbd nbe nbg nbi nbk nbn nbp nbr ndb ndd nde ndg ndi ndk ndn ndp ndr ne- neb ned nee neg nei nek nen nep ner ngb ngd nge ngg ngi ngk ngn ngp nib nid nie nig nii nik nin nip nir nke nki nkk nkn nkp nkr nnb nne nng nni nnk nnn nnp npb npd npe npg npi npn npp npr nrb nrd nre nrg nri nrk nrn nrp nrr p-p pbb pbd pbe pbg pbi pbk pbn pbp pbr pdb pdd pde pdg pdi pdk pdn pdp pdr peb ped pee peg pei pek pen pep per pgb pgd pge pgg pgi pgk pgn pgp pgr pib pid pie pig pii pik pin pip pir pkb pkd pke pkg pki pkn pkp pkr pn- pnb pnd pne png pni pnk pnn pnp pnr ppb ppd ppe ppg ppi ppk ppn ppp ppr prb prd pre prg pri prk prn prp prr rbb rbd rbe rbg rbi rbk rbn rbp rbr rdb rdd rde rdg rdi rdn rdp rdr re- reb red ree reg rei rek ren rep rer rgb rgd rge rgg rgi rgk rgn rgp rgr rib rid rie rig rii rik rin rip rir rkb rke rkg rkk rkp rnb rnd rng rni rnn rnp rnr rpb rpd rpe rpg rpi rpk rpn rpp rpr rrb rrd rrg rri rrk rrn rrp rrr