-ic b-u bbb bbc bbg bbi bbk bbn bbs bbu bcb bcc bcg bci bck bcn bcs bcu bgb bgc bgg bgi bgk bgn bgs bgu bi- bib bic big bii bik bin bis biu bkb bkc bkg bkk bkn bks bnb bnc bng bni bnk bnn bns bnu bsb bsc bsg bsi bsk bsn bss bsu bub buc bug bui buk bun bus buu c-- cbb cbc cbg cbi cbk cbn cbs cbu ccb ccc ccg cci cck ccn ccs ccu cgb cgc cgg cgi cgn cgs cgu ci- cib cic cig cii cik cin cis ciu ckb ckc cki cks cn- cnb cnc cng cni cnn cns cnu csb csc csg csi csk csn css csu cub cuc cug cui cuk cun cus cuu gbc gbg gbi gbk gbn gbs gbu gcb gcc gcg gci gck gcn gcs gcu ggb ggc ggg ggi ggn ggs ggu gib gic gig gii gik gin gis giu gkb gkn gks gnb gnc gni gnn gns gnu gsb gsc gsg gsi gsk gsn gss gsu gu- gub guc gug gui guk gun gus guu ibb ibc ibg ibi ibk ibn ibs ibu icb icc icg ici ick icn ics icu igb igc igg igi igk ign igs igu iib iic iii iin iis iiu ikb ikc iki ikk iks iku in- inb inc ing ini ink inn ins inu is- isb isc isg isi isk isn iss isu iu- iub iuc iug iui ius kbb kbc kbi kbk kbn kbs kbu kcb kcc kcg kci kck kcn kcs kcu kgb kgc kgi kgs kgu kib kic kig kii kik kin kis kiu kkb kkc kki kkk kkn kks kku kn- knc kng kni knk knn knu ksb ksc ksg ksi ksk ksn kss ksu kub kuc kug kui kuk kun kus kuu n-i nbb nbc nbg nbi nbk nbn nbs nbu ncb ncc ncg nci nck ncn ncs ncu ngb ngc ngg ngi ngk ngn ngs ngu nib nic nig nii nik nin nis niu nkc nki nkk nkn nks nku nnb nnc nng nni nnk nnn nns nnu nsb nsc nsg nsi nsk nsn nss nsu nub nuc nug nui nuk nun nus nuu sbb sbc sbg sbi sbk sbn sbs sbu scb scc scg sci sck scn scs scu sgb sgc sgg sgi sgk sgn sgs sgu sib sic sig sii sik sin sis siu sk- skb skc skg ski skk sks sku snb snc sng sni snk snn sns snu ss- ssb ssc ssg ssi ssk ssn sss ssu sub suc sug sui suk sun sus suu ubb ubc ubg ubi ubk ubn ubs ubu ucb ucc ucg uci uck ucn ucs ucu ugb ugc ugg ugi ugk ugn ugs ugu uib uic uig uii uin uis uiu ukb ukc uki ukk ukn uku un- unb unc ung uni unk unn uns unu usb usc usg usi usk usn uss usu uuc uug uun uus uuu