-ic b-u bbb bbc bbg bbi bbk bbl bbn bbu bcb bcc bcg bci bck bcl bcn bcu bgb bgc bgg bgi bgk bgl bgn bgu bi- bib bic big bii bik bil bin biu bkb bkc bkg bkk bkl bkn blb blc blg bli blk bll bln blu bnb bnc bng bni bnk bnl bnn bnu bub buc bug bui buk bul bun buu c-- cbb cbc cbg cbi cbk cbl cbn cbu ccb ccc ccg cci cck ccl ccn ccu cgb cgc cgg cgi cgl cgn cgu ci- cib cic cig cii cik cil cin ciu ckb ckc cki cl- clb clc clg cli clk cll cln clu cn- cnb cnc cng cni cnl cnn cnu cub cuc cug cui cuk cul cun cuu gbc gbg gbi gbk gbl gbn gbu gcb gcc gcg gci gck gcl gcn gcu ggb ggc ggg ggi ggn ggu gib gic gig gii gik gil gin giu gkb gkn glb glc glg gli glk gll gln glu gnb gnc gni gnl gnn gnu gu- gub guc gug gui guk gul gun guu ibb ibc ibg ibi ibk ibl ibn ibu icb icc icg ici ick icl icn icu igb igc igg igi igk igl ign igu iib iic iii iil iin iiu ikb ikc iki ikk ikl iku il- ilb ilc ilg ili ilk ill iln ilu in- inb inc ing ini ink inl inn inu iu- iub iuc iug iui kbb kbc kbi kbk kbl kbn kbu kcb kcc kcg kci kck kcl kcn kcu kgb kgc kgi kgl kgu kib kic kig kii kik kil kin kiu kkb kkc kki kkk kkl kkn kku kl- klb klc klg kli klu kn- knc kng kni knk knl knn knu kub kuc kug kui kuk kul kun kuu lbb lbc lbg lbi lbk lbl lbu lcb lcc lcg lci lck lcl lcn lcu lgb lgc lgg lgi lgk lgl lgn lgu lib lic lig lii lik lil lin liu lkb lkg lkl llb llc llg lli llk lll lln llu lnb lnc lng lni lnk lnl lnn lnu lub luc lug lui luk lul lun luu n-i nbb nbc nbg nbi nbk nbl nbn nbu ncb ncc ncg nci nck ncl ncn ncu ngb ngc ngg ngi ngk ngl ngn ngu nib nic nig nii nik nil nin niu nkc nki nkk nkn nku nlb nlc nlg nli nlk nll nln nlu nnb nnc nng nni nnk nnl nnn nnu nub nuc nug nui nuk nul nun nuu ubb ubc ubg ubi ubk ubl ubn ubu ucb ucc ucg uci uck ucl ucn ucu ugb ugc ugg ugi ugk ugl ugn ugu uib uic uig uii uil uin uiu ukb ukc uki ukk ukl ukn uku ulb ulc ulg uli ulk ull uln ulu un- unb unc ung uni unk unl unn unu uuc uug uun uuu