-ic b-u bbb bbc bbg bbi bbn bbo bbr bbt bbu bcb bcc bcg bci bcn bco bcr bct bcu bgb bgc bgg bgi bgn bgo bgr bgt bgu bi- bib bic big bii bin bio bir bit biu bnb bnc bng bni bnn bno bnr bnt bnu bob boc bog boi bon boo bor bot bou brb brg bri brn bro brr brt bru btb btc btg bti btn bto btr btt btu bub buc bug bui bun buo bur but buu c-- cbb cbc cbg cbi cbn cbo cbr cbt cbu ccb ccc ccg cci ccn cco ccr cct ccu cgb cgc cgg cgi cgn cgo cgr cgt cgu ci- cib cic cig cii cin cio cir cit ciu cn- cnb cnc cng cni cnn cno cnr cnt cnu co- cob coc cog coi con coo cor cot cou crb crc crg cri crn cro crr crt cru ctb ctc ctg cti ctn cto ctr ctt ctu cub cuc cug cui cun cuo cur cut cuu gbc gbg gbi gbn gbo gbr gbt gbu gcb gcc gcg gci gcn gco gcr gct gcu ggb ggc ggg ggi ggn ggo ggr ggt ggu gib gic gig gii gin gio gir git giu gnb gnc gni gnn gno gnr gnt gnu gob goc gog goi gon goo gor got gou grb grc grg gri grn gro grr grt gru gtb gtc gtg gti gtn gto gtr gtt gtu gu- gub guc gug gui gun guo gur gut guu ibb ibc ibg ibi ibn ibo ibr ibt ibu icb icc icg ici icn ico icr ict icu igb igc igg igi ign igo igr igt igu iib iic iii iin iio iir iit iiu in- inb inc ing ini inn ino inr int inu io- iob ioc iog ioi ion ioo ior iot iou ir- irb irc irg iri irn iro irr irt iru itb itc itg iti itn ito itt itu iu- iub iuc iug iui iur iut n-i nbb nbc nbg nbi nbn nbo nbr nbt nbu ncb ncc ncg nci ncn nco ncr nct ncu ngb ngc ngg ngi ngn ngo ngt ngu nib nic nig nii nin nio nir nit niu nnb nnc nng nni nnn nno nnt nnu no- nob noc nog noi non noo nor not nou nrb nrc nrg nri nrn nro nrr nrt nru ntb ntc ntg nti ntn nto ntr ntt ntu nub nuc nug nui nun nuo nur nut nuu o-i ob- obb obc obg obi obn obo obr obt obu oc- ocb occ ocg oci ocn oco ocr oct ocu ogc ogg ogi ogn ogo ogt oib oic oii oin oio oir oit oiu on- onb onc ong oni onn ono onr ont onu oo- oob ooc oog ooi oon ooo oor oot or- orb orc org ori orn oro orr ort oru ot- otb otc otg oti otn oto otr ott otu ou- ouc oui oun ouo our out rbb rbc rbg rbi rbn rbo rbr rbt rbu rcb rcc rcg rci rcn rco rcr rct rcu rgb rgc rgg rgi rgn rgo rgr rgt rib ric rig rii rin rio rir rit rnb rnc rng rni rnn rno rnr rnt rnu rob roc rog roi ron roo ror rot rou rrb rrc rrg rri rrn rrr rrt rru rtb rtc rtg rti rtn rto rtr rtt rtu rub ruc rug rui run ruo rur rut ruu tbb tbc tbg tbi tbn tbo tbr tbt tbu tcb tcc tcg tci tcn tco tcr tct tcu tgb tgc tgg tgi tgn tgo tgr tgt tgu tib tic tig tii tin tio tir tit tiu tnb tnc tng tni tnn tno tnr tnt to- tob toc tog toi ton too tor tot tou trb trc trg tri trn tro trr trt tru ttb ttc ttg tti ttn tto ttr ttt ttu tub tuc tug tui tun tuo tur tut tuu ubb ubc ubg ubi ubn ubo ubr ubt ubu ucb ucc ucg uci ucn uco ucr uct ucu ugb ugc ugg ugi ugn ugo ugr ugt ugu uib uic uig uii uin uio uir uit uiu un- unb unc ung uni unn uno unr unt unu uob uoc uog uon uoo uor uot ur- urb urc urg uri urn uro urr urt uru utb utc uti utn uto utr utt utu uuc uug uun uur uut uuu