-ic b-u bbb bbc bbg bbi bbn bbs bbt bbu bcb bcc bcg bci bcn bcs bct bcu bgb bgc bgg bgi bgn bgs bgt bgu bi- bib bic big bii bin bis bit biu bnb bnc bng bni bnn bns bnt bnu bsb bsc bsg bsi bsn bss bst bsu btb btc btg bti btn bts btt btu bub buc bug bui bun bus but buu c-- cbb cbc cbg cbi cbn cbs cbt cbu ccb ccc ccg cci ccn ccs cct ccu cgb cgc cgg cgi cgn cgs cgt cgu ci- cib cic cig cii cin cis cit ciu cn- cnb cnc cng cni cnn cns cnt cnu csb csc csg csi csn css cst csu ctb ctc ctg cti ctn cts ctt ctu cub cuc cug cui cun cus cut cuu gbc gbg gbi gbn gbs gbt gbu gcb gcc gcg gci gcn gcs gct gcu ggb ggc ggg ggi ggn ggs ggt ggu gib gic gig gii gin gis git giu gnb gnc gni gnn gns gnt gnu gsb gsc gsg gsi gsn gss gst gsu gtb gtc gtg gti gtn gts gtt gtu gu- gub guc gug gui gun gus gut guu ibb ibc ibg ibi ibn ibs ibt ibu icb icc icg ici icn ics ict icu igb igc igg igi ign igs igt igu iib iic iii iin iis iit iiu in- inb inc ing ini inn ins int inu is- isb isc isg isi isn iss ist isu itb itc itg iti itn its itt itu iu- iub iuc iug iui ius iut n-i nbb nbc nbg nbi nbn nbs nbt nbu ncb ncc ncg nci ncn ncs nct ncu ngb ngc ngg ngi ngn ngs ngt ngu nib nic nig nii nin nis nit niu nnb nnc nng nni nnn nns nnt nnu nsb nsc nsg nsi nsn nss nst nsu ntb ntc ntg nti ntn nts ntt ntu nub nuc nug nui nun nus nut nuu sbb sbc sbg sbi sbn sbs sbt sbu scb scc scg sci scn scs sct scu sgb sgc sgg sgi sgn sgs sgt sgu sib sic sig sii sin sis sit siu snb snc sng sni snn sns snt snu ss- ssb ssc ssg ssi ssn sss sst ssu stb stc stg sti stn sts stt stu sub suc sug sui sun sus sut suu tbb tbc tbg tbi tbn tbs tbt tbu tcb tcc tcg tci tcn tcs tct tcu tgb tgc tgg tgi tgn tgs tgt tgu tib tic tig tii tin tis tit tiu tnb tnc tng tni tnn tns tnt tsb tsc tsg tsi tsn tss tst tsu ttb ttc ttg tti ttn tts ttt ttu tub tuc tug tui tun tus tut tuu ubb ubc ubg ubi ubn ubs ubt ubu ucb ucc ucg uci ucn ucs uct ucu ugb ugc ugg ugi ugn ugs ugt ugu uib uic uig uii uin uis uit uiu un- unb unc ung uni unn uns unt unu usb usc usg usi usn uss ust usu utb utc uti utn uts utt utu uuc uug uun uus uut uuu