-ic b-u bbb bbc bbg bbh bbi bbr bbu bcb bcc bcg bch bci bcr bcu bgb bgc bgg bgh bgi bgr bgu bhb bhc bhg bhh bhi bhr bhu bi- bib bic big bih bii bir biu brb brg brh bri brr bru bub buc bug buh bui bur buu c-- cbb cbc cbg cbh cbi cbr cbu ccb ccc ccg cch cci ccr ccu cgb cgc cgg cgh cgi cgr cgu ch- chb chc chg chh chi chr chu ci- cib cic cig cih cii cir ciu crb crc crg crh cri crr cru cub cuc cug cuh cui cur cuu gbc gbg gbh gbi gbr gbu gcb gcc gcg gch gci gcr gcu ggb ggc ggg ggh ggi ggr ggu ghb ghc ghg ghh ghi ghr gib gic gig gih gii gir giu grb grc grg grh gri grr gru gu- gub guc gug gui gur guu h-i hbb hbc hbg hbh hbi hbr hbu hcb hcc hcg hch hci hcr hgb hgc hgg hgh hgi hgr hgu hhb hhc hhg hhh hhi hhr hhu hib hic hig hih hii hir hiu hr- hrb hrc hrg hrh hri hrr hru hub huc hug huh hui hur huu ibb ibc ibg ibh ibi ibr ibu icb icc icg ich ici icr icu igb igc igg igh igi igr igu ihb ihc ihg ihh ihi ihr ihu iib iic iih iii iir iiu ir- irb irc irg iri irr iru iu- iub iuc iug iui iur rbb rbc rbg rbh rbi rbr rbu rcb rcc rcg rch rci rcr rcu rgb rgc rgg rgh rgi rgr rh- rhb rhc rhg rhh rhi rhr rhu rib ric rig rih rii rir rrb rrc rrg rrh rri rrr rru rub ruc rug ruh rui rur ruu ubb ubc ubg ubh ubi ubr ubu ucb ucc ucg uch uci ucr ucu ugb ugc ugg ugh ugi ugr ugu uhb uhc uhh uhi uhr uhu uib uic uig uii uir uiu ur- urb urc urg uri urr uru uuc uug uur uuu