-ic b-u bbb bbc bbg bbi bbn bbo bbr bbs bbt bbu bcb bcc bcg bci bcn bco bcr bcs bct bcu bgb bgc bgg bgi bgn bgo bgr bgs bgt bgu bi- bib bic big bii bin bio bir bis bit biu bnb bnc bng bni bnn bno bnr bns bnt bnu bob boc bog boi bon boo bor bos bot bou brb brg bri brn bro brr brs brt bru bsb bsc bsg bsi bsn bso bsr bss bst bsu btb btc btg bti btn bto btr bts btt btu bub buc bug bui bun buo bur bus but buu c-- cbb cbc cbg cbi cbn cbo cbr cbs cbt cbu ccb ccc ccg cci ccn cco ccr ccs cct ccu cgb cgc cgg cgi cgn cgo cgr cgs cgt cgu ci- cib cic cig cii cin cio cir cis cit ciu cn- cnb cnc cng cni cnn cno cnr cns cnt cnu co- cob coc cog coi con coo cor cos cot cou crb crc crg cri crn cro crr crs crt cru csb csc csg csi csn cso csr css cst csu ctb ctc ctg cti ctn cto ctr cts ctt ctu cub cuc cug cui cun cuo cur cus cut cuu gbc gbg gbi gbn gbo gbr gbs gbt gbu gcb gcc gcg gci gcn gco gcr gcs gct gcu ggb ggc ggg ggi ggn ggo ggr ggs ggt ggu gib gic gig gii gin gio gir gis git giu gnb gnc gni gnn gno gnr gns gnt gnu gob goc gog goi gon goo gor gos got gou grb grc grg gri grn gro grr grs grt gru gsb gsc gsg gsi gsn gso gsr gss gst gsu gtb gtc gtg gti gtn gto gtr gts gtt gtu gu- gub guc gug gui gun guo gur gus gut guu ibb ibc ibg ibi ibn ibo ibr ibs ibt ibu icb icc icg ici icn ico icr ics ict icu igb igc igg igi ign igo igr igs igt igu iib iic iii iin iio iir iis iit iiu in- inb inc ing ini inn ino inr ins int inu io- iob ioc iog ioi ion ioo ior ios iot iou ir- irb irc irg iri irn iro irr irs irt iru is- isb isc isg isi isn iso isr iss ist isu itb itc itg iti itn ito its itt itu iu- iub iuc iug iui iur ius iut n-i nbb nbc nbg nbi nbn nbo nbr nbs nbt nbu ncb ncc ncg nci ncn nco ncr ncs nct ncu ngb ngc ngg ngi ngn ngo ngs ngt ngu nib nic nig nii nin nio nir nis nit niu nnb nnc nng nni nnn nno nns nnt nnu no- nob noc nog noi non noo nor nos not nou nrb nrc nrg nri nrn nro nrr nrs nrt nru nsb nsc nsg nsi nsn nso nsr nss nst nsu ntb ntc ntg nti ntn nto ntr nts ntt ntu nub nuc nug nui nun nuo nur nus nut nuu o-i ob- obb obc obg obi obn obo obr obs obt obu oc- ocb occ ocg oci ocn oco ocr ocs oct ocu ogc ogg ogi ogn ogo ogs ogt oib oic oii oin oio oir ois oit oiu on- onb onc ong oni onn ono onr ons ont onu oo- oob ooc oog ooi oon ooo oor oos oot or- orb orc org ori orn oro orr ors ort oru os- osb osc osg osi osn oso osr oss ost osu ot- otb otc otg oti otn oto otr ots ott otu ou- ouc oui oun ouo our ous out rbb rbc rbg rbi rbn rbo rbr rbs rbt rbu rcb rcc rcg rci rcn rco rcr rcs rct rcu rgb rgc rgg rgi rgn rgo rgr rgs rgt rib ric rig rii rin rio rir ris rit rnb rnc rng rni rnn rno rnr rns rnt rnu rob roc rog roi ron roo ror ros rot rou rrb rrc rrg rri rrn rrr rrs rrt rru rsb rsc rsg rsi rsn rso rsr rss rst rsu rtb rtc rtg rti rtn rto rtr rts rtt rtu rub ruc rug rui run ruo rur rus rut ruu sbb sbc sbg sbi sbn sbo sbr sbs sbt sbu scb scc scg sci scn sco scr scs sct scu sgb sgc sgg sgi sgn sgo sgr sgs sgt sgu sib sic sig sii sin sio sir sis sit siu snb snc sng sni snn sno snr sns snt snu sob soc sog soi son soo sor sos sot sou sr- srb src srg sri srn sro srr srs srt ss- ssb ssc ssg ssi ssn sso ssr sss sst ssu stb stc stg sti stn sto str sts stt stu sub suc sug sui sun suo sur sus sut suu tbb tbc tbg tbi tbn tbo tbr tbs tbt tbu tcb tcc tcg tci tcn tco tcr tcs tct tcu tgb tgc tgg tgi tgn tgo tgr tgs tgt tgu tib tic tig tii tin tio tir tis tit tiu tnb tnc tng tni tnn tno tnr tns tnt to- tob toc tog toi ton too tor tos tot tou trb trc trg tri trn tro trr trs trt tru tsb tsc tsg tsi tsn tso tsr tss tst tsu ttb ttc ttg tti ttn tto ttr tts ttt ttu tub tuc tug tui tun tuo tur tus tut tuu ubb ubc ubg ubi ubn ubo ubr ubs ubt ubu ucb ucc ucg uci ucn uco ucr ucs uct ucu ugb ugc ugg ugi ugn ugo ugr ugs ugt ugu uib uic uig uii uin uio uir uis uit uiu un- unb unc ung uni unn uno unr uns unt unu uob uoc uog uon uoo uor uos uot ur- urb urc urg uri urn uro urr urs urt uru usb usc usg usi usn uso usr uss ust usu utb utc uti utn uto utr uts utt utu uuc uug uun uur uus uut uuu