-ic bbb bbc bbg bbi bbn bbo bbr bbs bbt bby bcb bcc bcg bci bcn bco bcr bcs bct bcy bgb bgc bgg bgi bgn bgo bgr bgs bgt bi- bib bic big bii bin bio bir bis bit biy bnb bnc bng bni bnn bno bnr bns bnt bob boc bog boi bon boo bor bos bot boy brb brg bri brn bro brr brs brt bry bsb bsc bsg bsi bsn bso bsr bss bst bsy btb btc btg bti btn bto btr bts btt bty by- byc byg byi byn byo byr bys byt c-- cbb cbc cbg cbi cbn cbo cbr cbs cbt cby ccb ccc ccg cci ccn cco ccr ccs cct cgb cgc cgg cgi cgn cgo cgr cgs cgt cgy ci- cib cic cig cii cin cio cir cis cit cn- cnb cnc cng cni cnn cno cnr cns cnt cny co- cob coc cog coi con coo cor cos cot coy crb crc crg cri crn cro crr crs crt cry csb csc csg csi csn cso csr css cst csy ctb ctc ctg cti ctn cto ctr cts ctt cty cyb cyc cyg cyn cyo cyr cys cyt gbc gbg gbi gbn gbo gbr gbs gbt gby gcb gcc gcg gci gcn gco gcr gcs gct ggb ggc ggg ggi ggn ggo ggr ggs ggt gib gic gig gii gin gio gir gis git giy gnb gnc gni gnn gno gnr gns gnt gob goc gog goi gon goo gor gos got goy grb grc grg gri grn gro grr grs grt gry gsb gsc gsg gsi gsn gso gsr gss gst gtb gtc gtg gti gtn gto gtr gts gtt gty gy- gyb gyn gyo gyr gys ibb ibc ibg ibi ibn ibo ibr ibs ibt iby icb icc icg ici icn ico icr ics ict icy igb igc igg igi ign igo igr igs igt igy iib iic iii iin iio iir iis iit in- inb inc ing ini inn ino inr ins int iny io- iob ioc iog ioi ion ioo ior ios iot ir- irb irc irg iri irn iro irr irs irt iry is- isb isc isg isi isn iso isr iss ist isy itb itc itg iti itn ito its itt ity iyc iyo iyr iys iyt iyy n-i nbb nbc nbg nbi nbn nbo nbr nbs nbt ncb ncc ncg nci ncn nco ncr ncs nct ngb ngc ngg ngi ngn ngo ngs ngt nib nic nig nii nin nio nir nis nit nnb nnc nng nni nnn nno nns nnt no- nob noc nog noi non noo nor nos not noy nrb nrc nrg nri nrn nro nrr nrs nrt nry nsb nsc nsg nsi nsn nso nsr nss nst nsy ntb ntc ntg nti ntn nto ntr nts ntt nyc nyg nyn nyo nys nyt nyy o-i ob- obb obc obg obi obn obo obr obs obt oby oc- ocb occ ocg oci ocn oco ocr ocs oct ogc ogg ogi ogn ogo ogs ogt ogy oib oic oii oin oio oir ois oit on- onb onc ong oni onn ono onr ons ont ony oo- oob ooc oog ooi oon ooo oor oos oot or- orb orc org ori orn oro orr ors ort ory os- osb osc osg osi osn oso osr oss ost ot- otb otc otg oti otn oto otr ots ott oyi oyo oys rbb rbc rbg rbi rbn rbo rbr rbs rbt rcb rcc rcg rci rcn rco rcr rcs rct rgb rgc rgg rgi rgn rgo rgr rgs rgt rib ric rig rii rin rio rir ris rit riy rnb rnc rng rni rnn rno rnr rns rnt rny rob roc rog roi ron roo ror ros rot roy rrb rrc rrg rri rrn rrr rrs rrt rsb rsc rsg rsi rsn rso rsr rss rst rtb rtc rtg rti rtn rto rtr rts rtt rty ry- ryc ryg ryn ryo ryr rys ryy sbb sbc sbg sbi sbn sbo sbr sbs sbt sby scb scc scg sci scn sco scr scs sct sgb sgc sgg sgi sgn sgo sgr sgs sgt sib sic sig sii sin sio sir sis sit snb snc sng sni snn sno snr sns snt sny sob soc sog soi son soo sor sos sot soy sr- srb src srg sri srn sro srr srs srt sry ss- ssb ssc ssg ssi ssn sso ssr sss sst stb stc stg sti stn sto str sts stt sty sy- syb syc syg syi syn syr sys syt tbb tbc tbg tbi tbn tbo tbr tbs tbt tcb tcc tcg tci tcn tco tcr tcs tct tgb tgc tgg tgi tgn tgo tgr tgs tgt tgy tib tic tig tii tin tio tir tis tit tiy tnb tnc tng tni tnn tno tnr tns tnt to- tob toc tog toi ton too tor tos tot toy trb trc trg tri trn tro trr trs trt try tsb tsc tsg tsi tsn tso tsr tss tst tsy ttb ttc ttg tti ttn tto ttr tts ttt tty tyc tyg tyn tyo tyr tys tyt ybc ybg ybi ybr ybs yby ycc yci yco ycs ycy ygc ygo yig yii yin yio yir yis yit yng ynn yns yny yob yoc yog yoi yon yoo yor yos yot yoy yrc yrg yrn yro yrs yrt ysb ysc ysg ysi yso ysr yss yst ysy ytc ytn yto ytr yts ytt yyb yyc yyg yys yyt yyy