-ic b-u bbb bbc bbg bbi bbn bbs bbu bcb bcc bcg bci bcn bcs bcu bgb bgc bgg bgi bgn bgs bgu bi- bib bic big bii bin bis biu bnb bnc bng bni bnn bns bnu bsb bsc bsg bsi bsn bss bsu bub buc bug bui bun bus buu c-- cbb cbc cbg cbi cbn cbs cbu ccb ccc ccg cci ccn ccs ccu cgb cgc cgg cgi cgn cgs cgu ci- cib cic cig cii cin cis ciu cn- cnb cnc cng cni cnn cns cnu csb csc csg csi csn css csu cub cuc cug cui cun cus cuu gbc gbg gbi gbn gbs gbu gcb gcc gcg gci gcn gcs gcu ggb ggc ggg ggi ggn ggs ggu gib gic gig gii gin gis giu gnb gnc gni gnn gns gnu gsb gsc gsg gsi gsn gss gsu gu- gub guc gug gui gun gus guu ibb ibc ibg ibi ibn ibs ibu icb icc icg ici icn ics icu igb igc igg igi ign igs igu iib iic iii iin iis iiu in- inb inc ing ini inn ins inu is- isb isc isg isi isn iss isu iu- iub iuc iug iui ius n-i nbb nbc nbg nbi nbn nbs nbu ncb ncc ncg nci ncn ncs ncu ngb ngc ngg ngi ngn ngs ngu nib nic nig nii nin nis niu nnb nnc nng nni nnn nns nnu nsb nsc nsg nsi nsn nss nsu nub nuc nug nui nun nus nuu sbb sbc sbg sbi sbn sbs sbu scb scc scg sci scn scs scu sgb sgc sgg sgi sgn sgs sgu sib sic sig sii sin sis siu snb snc sng sni snn sns snu ss- ssb ssc ssg ssi ssn sss ssu sub suc sug sui sun sus suu ubb ubc ubg ubi ubn ubs ubu ucb ucc ucg uci ucn ucs ucu ugb ugc ugg ugi ugn ugs ugu uib uic uig uii uin uis uiu un- unb unc ung uni unn uns unu usb usc usg usi usn uss usu uuc uug uun uus uuu