bbb bbg bbi bbk bbn bbr bbs bbt bgb bgg bgi bgk bgn bgr bgs bgt bi- bib big bii bik bin bir bis bit bkb bkg bkk bkn bkr bks bkt bnb bng bni bnk bnn bnr bns bnt brb brg bri brk brn brr brs brt bsb bsg bsi bsk bsn bsr bss bst btb btg bti btk btn btr bts btt gbg gbi gbk gbn gbr gbs gbt ggb ggg ggi ggn ggr ggs ggt gib gig gii gik gin gir gis git gkb gkn gks gkt gnb gni gnn gnr gns gnt grb grg gri grk grn grr grs grt gsb gsg gsi gsk gsn gsr gss gst gtb gtg gti gtk gtn gtr gts gtt ibb ibg ibi ibk ibn ibr ibs ibt igb igg igi igk ign igr igs igt iib iii iin iir iis iit ikb iki ikk ikr iks ikt in- inb ing ini ink inn inr ins int ir- irb irg iri irk irn irr irs irt is- isb isg isi isk isn isr iss ist itb itg iti itk itn its itt k-t kbb kbi kbk kbn kbr kbs kgb kgi kgs kib kig kii kik kin kir kis kit kkb kki kkk kkn kkr kks kkt kn- kng kni knk knn knr knt krg kri krk krn krr krs krt ksb ksg ksi ksk ksn ksr kss kst ktb ktg ktk ktn ktr kts ktt n-i nbb nbg nbi nbk nbn nbr nbs nbt ngb ngg ngi ngk ngn ngs ngt nib nig nii nik nin nir nis nit nki nkk nkn nkr nks nkt nnb nng nni nnk nnn nns nnt nrb nrg nri nrk nrn nrr nrs nrt nsb nsg nsi nsk nsn nsr nss nst ntb ntg nti ntk ntn ntr nts ntt rbb rbg rbi rbk rbn rbr rbs rbt rgb rgg rgi rgk rgn rgr rgs rgt rib rig rii rik rin rir ris rit rkb rkg rkk rks rkt rnb rng rni rnn rnr rns rnt rrb rrg rri rrk rrn rrr rrs rrt rsb rsg rsi rsk rsn rsr rss rst rtb rtg rti rtk rtn rtr rts rtt sbb sbg sbi sbk sbn sbr sbs sbt sgb sgg sgi sgk sgn sgr sgs sgt sib sig sii sik sin sir sis sit sk- skb skg ski skk skr sks skt snb sng sni snk snn snr sns snt sr- srb srg sri srk srn srr srs srt ss- ssb ssg ssi ssk ssn ssr sss sst stb stg sti stk stn str sts stt tbb tbg tbi tbk tbn tbr tbs tbt tgb tgg tgi tgk tgn tgr tgs tgt tib tig tii tik tin tir tis tit tkb tkg tkk tkr tks tkt tnb tng tni tnk tnn tnr tns tnt trb trg tri trk trn trr trs trt tsb tsg tsi tsk tsn tsr tss tst ttb ttg tti ttk ttn ttr tts ttt