-ic bbb bbc bbd bbe bbg bbi bbk bbn bbs bcb bcc bcd bce bcg bci bck bcn bcs bdb bdc bdd bde bdg bdi bdk bds be- beb bec bed bee beg bei bek ben bes bgb bgc bgd bge bgg bgi bgk bgn bgs bi- bib bic bid bie big bii bik bin bis bkb bkc bke bkg bkk bkn bks bnb bnc bnd bne bng bni bnk bnn bns bsb bsc bsd bse bsg bsi bsk bsn bss c-- cbb cbc cbd cbe cbg cbi cbk cbn cbs ccb ccc ccd cce ccg cci cck ccn ccs cdb cdc cdd cde cdg cdi cdk cdn cds ce- ceb cec ced cee ceg cei cek cen ces cgb cgc cgd cge cgg cgi cgn cgs ci- cib cic cid cie cig cii cik cin cis ckb ckc ckd cki cks cn- cnb cnc cnd cne cng cni cnn cns csb csc csd cse csg csi csk csn css dbb dbc dbd dbe dbg dbi dbk dbn dbs dcb dcc dcd dce dcg dci dck dcn dcs ddb ddc ddd dde ddg ddi ddk ddn dds de- deb dec ded dee deg dei dek den des dgc dgd dge dgg dgi dgk dgn dgs di- dib dic did die dig dii dik din dis dkb dkc dke dkg dki dkk dks dnb dnc dnd dne dng dni dnk dnn dns dsb dsc dsd dse dsg dsi dsk dsn dss ebb ebc ebd ebe ebg ebi ebk ebn ebs ec- ecb ecc ecd ece ecg eci eck ecn ecs ed- edb edc edd ede edg edi edk edn eds eeb eec eed eee eeg eek een ees egb egc egd ege egg egi egn egs eib eic eid eie eig eii eik ein eis ekb ekc ekd eke ekg eki eks en- enb enc end ene eng eni enk enn ens es- esb esc esd ese esg esi esk esn ess g-d gbc gbd gbe gbg gbi gbk gbn gbs gcb gcc gcd gce gcg gci gck gcn gcs gdb gdc gdd gde gdi gdk gdn gds ge- geb gec ged gee geg gei gek gen ges ggb ggc ggd ggg ggi ggn ggs gib gic gid gie gig gii gik gin gis gkb gkd gkn gks gnb gnc gnd gne gni gnn gns gsb gsc gsd gse gsg gsi gsk gsn gss i-d ibb ibc ibd ibe ibg ibi ibk ibn ibs icb icc icd ice icg ici ick icn ics idb idc idd ide idg idi idk idn ids ie- iec ied iee ieg iei iek ien ies igb igc igd ige igg igi igk ign igs iib iic iid iie iii iin iis ikb ikc ike iki ikk iks in- inb inc ind ine ing ini ink inn ins is- isb isc isd ise isg isi isk isn iss kbb kbc kbd kbe kbi kbk kbn kbs kcb kcc kcd kce kcg kci kck kcn kcs kdb kdc kde kdg kdk kds ke- keb kec ked kee keg kei kek ken kes kgb kgc kgd kgi kgs kib kic kid kie kig kii kik kin kis kkb kkc kke kki kkk kkn kks kn- knc knd kne kng kni knk knn ksb ksc ksd kse ksg ksi ksk ksn kss n-i nbb nbc nbd nbe nbg nbi nbk nbn nbs ncb ncc ncd nce ncg nci nck ncn ncs ndb ndc ndd nde ndg ndi ndk ndn nds ne- neb nec ned nee neg nei nek nen nes ngb ngc ngd nge ngg ngi ngk ngn ngs nib nic nid nie nig nii nik nin nis nkc nke nki nkk nkn nks nnb nnc nne nng nni nnk nnn nns nsb nsc nsd nse nsg nsi nsk nsn nss sbb sbc sbd sbe sbg sbi sbk sbn sbs scb scc scd sce scg sci sck scn scs sdb sdc sdd sde sdg sdi sdk sdn sds se- seb sec sed see seg sei sek sen ses sgb sgc sgd sge sgg sgi sgk sgn sgs sib sic sid sie sig sii sik sin sis sk- skb skc skd ske skg ski skk sks snb snc snd sne sng sni snk snn sns ss- ssb ssc ssd sse ssg ssi ssk ssn sss