-er -ic bbb bbc bbd bbe bbg bbi bbk bbn bbr bcb bcc bcd bce bcg bci bck bcn bcr bdb bdc bdd bde bdg bdi bdk bdr be- beb bec bed bee beg bei bek ben ber bgb bgc bgd bge bgg bgi bgk bgn bgr bi- bib bic bid bie big bii bik bin bir bkb bkc bke bkg bkk bkn bkr bnb bnc bnd bne bng bni bnk bnn bnr brb brd bre brg bri brk brn brr c-- cbb cbc cbd cbe cbg cbi cbk cbn cbr ccb ccc ccd cce ccg cci cck ccn ccr cdb cdc cdd cde cdg cdi cdk cdn cdr ce- ceb cec ced cee ceg cei cek cen cer cgb cgc cgd cge cgg cgi cgn cgr ci- cib cic cid cie cig cii cik cin cir ckb ckc ckd cki cn- cnb cnc cnd cne cng cni cnn cnr crb crc crd cre crg cri crk crn crr dbb dbc dbd dbe dbg dbi dbk dbn dbr dcb dcc dcd dce dcg dci dck dcn dcr ddb ddc ddd dde ddg ddi ddk ddn ddr de- deb dec ded dee deg dei dek den der dgc dgd dge dgg dgi dgk dgn dgr di- dib dic did die dig dii dik din dir dkb dkc dke dkg dki dkk dkr dnb dnc dnd dne dng dni dnk dnn dnr drb drc drd dre drg dri drk drn drr ebb ebc ebd ebe ebg ebi ebk ebn ebr ec- ecb ecc ecd ece ecg eci eck ecn ecr ed- edb edc edd ede edg edi edk edn edr eeb eec eed eee eeg eek een eer egb egc egd ege egg egi egn egr eib eic eid eie eig eii eik ein eir ekb ekc ekd eke ekg eki ekr en- enb enc end ene eng eni enk enn enr erb erc erd ere erg eri erk ern err g-d gbc gbd gbe gbg gbi gbk gbn gbr gcb gcc gcd gce gcg gci gck gcn gcr gdb gdc gdd gde gdi gdk gdn gdr ge- geb gec ged gee geg gei gek gen ger ggb ggc ggd ggg ggi ggn ggr gib gic gid gie gig gii gik gin gir gkb gkd gkn gnb gnc gnd gne gni gnn gnr grb grc grd gre grg gri grk grn grr i-d ibb ibc ibd ibe ibg ibi ibk ibn ibr icb icc icd ice icg ici ick icn icr idb idc idd ide idg idi idk idn idr ie- iec ied iee ieg iei iek ien ier igb igc igd ige igg igi igk ign igr iib iic iid iie iii iin iir ikb ikc ike iki ikk ikr in- inb inc ind ine ing ini ink inn inr ir- irb irc ird ire irg iri irk irn irr kbb kbc kbd kbe kbi kbk kbn kbr kcb kcc kcd kce kcg kci kck kcn kcr kdb kdc kde kdg kdk kdr ke- keb kec ked kee keg kei kek ken ker kgb kgc kgd kgi kib kic kid kie kig kii kik kin kir kkb kkc kke kki kkk kkn kkr kn- knc knd kne kng kni knk knn knr krc krd krg kri krk krn krr n-i nbb nbc nbd nbe nbg nbi nbk nbn nbr ncb ncc ncd nce ncg nci nck ncn ncr ndb ndc ndd nde ndg ndi ndk ndn ndr ne- neb nec ned nee neg nei nek nen ner ngb ngc ngd nge ngg ngi ngk ngn nib nic nid nie nig nii nik nin nir nkc nke nki nkk nkn nkr nnb nnc nne nng nni nnk nnn nrb nrc nrd nre nrg nri nrk nrn nrr rbb rbc rbd rbe rbg rbi rbk rbn rbr rcb rcc rcd rce rcg rci rcn rcr rdb rdc rdd rde rdg rdi rdn rdr re- reb rec red ree reg rei rek ren rer rgb rgc rgd rge rgg rgi rgk rgn rgr rib ric rid rie rig rii rik rin rir rkb rkc rke rkg rkk rnb rnc rnd rng rni rnn rnr rrb rrc rrd rrg rri rrk rrn rrr