-ic b-u bbb bbc bbg bbi bbn bbr bbu bby bcb bcc bcg bci bcn bcr bcu bcy bgb bgc bgg bgi bgn bgr bgu bi- bib bic big bii bin bir biu biy bnb bnc bng bni bnn bnr bnu brb brg bri brn brr bru bry bub buc bug bui bun bur buu buy by- byc byg byi byn byr byu c-- cbb cbc cbg cbi cbn cbr cbu cby ccb ccc ccg cci ccn ccr ccu cgb cgc cgg cgi cgn cgr cgu cgy ci- cib cic cig cii cin cir ciu cn- cnb cnc cng cni cnn cnr cnu cny crb crc crg cri crn crr cru cry cub cuc cug cui cun cur cuu cuy cyb cyc cyg cyn cyr gbc gbg gbi gbn gbr gbu gby gcb gcc gcg gci gcn gcr gcu ggb ggc ggg ggi ggn ggr ggu gib gic gig gii gin gir giu giy gnb gnc gni gnn gnr gnu grb grc grg gri grn grr gru gry gu- gub guc gug gui gun gur guu guy gy- gyb gyn gyr ibb ibc ibg ibi ibn ibr ibu iby icb icc icg ici icn icr icu icy igb igc igg igi ign igr igu igy iib iic iii iin iir iiu in- inb inc ing ini inn inr inu iny ir- irb irc irg iri irn irr iru iry iu- iub iuc iug iui iur iyc iyr iyy n-i nbb nbc nbg nbi nbn nbr nbu ncb ncc ncg nci ncn ncr ncu ngb ngc ngg ngi ngn ngu nib nic nig nii nin nir niu nnb nnc nng nni nnn nnu nrb nrc nrg nri nrn nrr nru nry nub nuc nug nui nun nur nuu nuy nyc nyg nyn nyu nyy rbb rbc rbg rbi rbn rbr rbu rcb rcc rcg rci rcn rcr rcu rgb rgc rgg rgi rgn rgr rib ric rig rii rin rir riy rnb rnc rng rni rnn rnr rnu rny rrb rrc rrg rri rrn rrr rru rub ruc rug rui run rur ruu ruy ry- ryc ryg ryn ryr ryu ryy ubb ubc ubg ubi ubn ubr ubu uby ucb ucc ucg uci ucn ucr ucu ugb ugc ugg ugi ugn ugr ugu uib uic uig uii uin uir uiu un- unb unc ung uni unn unr unu uny ur- urb urc urg uri urn urr uru ury uuc uug uun uur uuu uyc uyi uyu ybc ybg ybi ybr yby ycc yci ycu ycy ygc yig yii yin yir yng ynn ynu yny yrc yrg yrn yru yug yui yun yur yuu yuy yyb yyc yyg yyu yyy