-ic -th b-u bbb bbc bbg bbh bbi bbl bbr bbt bbu bcb bcc bcg bch bci bcl bcr bct bcu bgb bgc bgg bgh bgi bgl bgr bgt bgu bhb bhc bhg bhh bhi bhl bhr bht bhu bi- bib bic big bih bii bil bir bit biu blb blc blg blh bli bll blr blt blu brb brg brh bri brl brr brt bru btb btc btg bth bti btl btr btt btu bub buc bug buh bui bul bur but buu c-- cbb cbc cbg cbh cbi cbl cbr cbt cbu ccb ccc ccg cch cci ccl ccr cct ccu cgb cgc cgg cgh cgi cgl cgr cgt cgu ch- chb chc chg chh chi chl chr cht chu ci- cib cic cig cih cii cil cir cit ciu cl- clb clc clg clh cli cll clr clt clu crb crc crg crh cri crl crr crt cru ctb ctc ctg cth cti ctl ctr ctt ctu cub cuc cug cuh cui cul cur cut cuu gbc gbg gbh gbi gbl gbr gbt gbu gcb gcc gcg gch gci gcl gcr gct gcu ggb ggc ggg ggh ggi ggr ggt ggu ghb ghc ghg ghh ghi ghl ghr ght gib gic gig gih gii gil gir git giu glb glc glg glh gli gll glr glt glu grb grc grg grh gri grl grr grt gru gtb gtc gtg gth gti gtl gtr gtt gtu gu- gub guc gug gui gul gur gut guu h-i hbb hbc hbg hbh hbi hbl hbr hbt hbu hcb hcc hcg hch hci hcl hcr hct hgb hgc hgg hgh hgi hgl hgr hgt hgu hhb hhc hhg hhh hhi hhl hhr hht hhu hib hic hig hih hii hil hir hit hiu hlb hlc hlg hlh hli hll hlr hlt hlu hr- hrb hrc hrg hrh hri hrl hrr hrt hru htb htc htg hth hti htl htr htt hub huc hug huh hui hul hur hut huu ibb ibc ibg ibh ibi ibl ibr ibt ibu icb icc icg ich ici icl icr ict icu igb igc igg igh igi igl igr igt igu ihb ihc ihg ihh ihi ihl ihr iht ihu iib iic iih iii iil iir iit iiu il- ilb ilc ilg ilh ili ill ilr ilt ilu ir- irb irc irg iri irl irr irt iru itb itc itg ith iti itl itt itu iu- iub iuc iug iui iur iut lbb lbc lbg lbh lbi lbl lbr lbt lbu lcb lcc lcg lch lci lcl lcr lct lcu lgb lgc lgg lgh lgi lgl lgr lgt lgu lhb lhc lhh lhi lhr lht lhu lib lic lig lih lii lil lir lit liu llb llc llg lli lll llr llt llu lrb lrc lrg lrh lri lrr lrt lru ltb ltc ltg lth lti ltl ltr ltt ltu lub luc lug luh lui lul lur lut luu rbb rbc rbg rbh rbi rbl rbr rbt rbu rcb rcc rcg rch rci rcl rcr rct rcu rgb rgc rgg rgh rgi rgr rgt rh- rhb rhc rhg rhh rhi rhl rhr rht rhu rib ric rig rih rii ril rir rit rlc rlg rlh rli rll rlr rlt rlu rrb rrc rrg rrh rri rrl rrr rrt rru rtb rtc rtg rti rtl rtr rtt rtu rub ruc rug ruh rui rur rut ruu tbb tbc tbg tbh tbi tbl tbr tbt tbu tcb tcc tcg tch tci tcl tcr tct tcu tgb tgc tgg tgh tgi tgl tgr tgt tgu th- thb thc thg thh thi thl thr tht thu tib tic tig tih tii til tir tit tiu tlc tlg tlh tli tll tlr tlt tlu trb trc trg trh tri trl trr trt tru ttb ttc ttg tth tti ttl ttr ttt ttu tub tuc tug tuh tui tul tur tut tuu ubb ubc ubg ubh ubi ubl ubr ubt ubu ucb ucc ucg uch uci ucl ucr uct ucu ugb ugc ugg ugh ugi ugl ugr ugt ugu uhb uhc uhh uhi uhl uhr uht uhu uib uic uig uii uil uir uit uiu ulb ulc ulg uli ull ulr ult ulu ur- urb urc urg uri url urr urt uru utb utc uth uti utl utr utt utu uuc uug uur uut uuu

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