-ic -ol bbb bbc bbg bbi bbl bbo bbr bbs bbt bcb bcc bcg bci bcl bco bcr bcs bct bgb bgc bgg bgi bgl bgo bgr bgs bgt bi- bib bic big bii bil bio bir bis bit blb blc blg bli bll blo blr bls blt bob boc bog boi bol boo bor bos bot brb brg bri brl bro brr brs brt bsb bsc bsg bsi bsl bso bsr bss bst btb btc btg bti btl bto btr bts btt c-- cbb cbc cbg cbi cbl cbo cbr cbs cbt ccb ccc ccg cci ccl cco ccr ccs cct cgb cgc cgg cgi cgl cgo cgr cgs cgt ci- cib cic cig cii cil cio cir cis cit cl- clb clc clg cli cll clo clr cls clt co- cob coc cog coi col coo cor cos cot crb crc crg cri crl cro crr crs crt csb csc csg csi csl cso csr css cst ctb ctc ctg cti ctl cto ctr cts ctt gbc gbg gbi gbl gbo gbr gbs gbt gcb gcc gcg gci gcl gco gcr gcs gct ggb ggc ggg ggi ggo ggr ggs ggt gib gic gig gii gil gio gir gis git glb glc glg gli gll glo glr gls glt gob goc gog goi gol goo gor gos got grb grc grg gri grl gro grr grs grt gsb gsc gsg gsi gsl gso gsr gss gst gtb gtc gtg gti gtl gto gtr gts gtt ibb ibc ibg ibi ibl ibo ibr ibs ibt icb icc icg ici icl ico icr ics ict igb igc igg igi igl igo igr igs igt iib iic iii iil iio iir iis iit il- ilb ilc ilg ili ill ilo ilr ils ilt io- iob ioc iog ioi iol ioo ior ios iot ir- irb irc irg iri irl iro irr irs irt is- isb isc isg isi isl iso isr iss ist itb itc itg iti itl ito its itt lbb lbc lbg lbi lbl lbo lbr lbs lbt lcb lcc lcg lci lcl lco lcr lcs lct lgb lgc lgg lgi lgl lgo lgr lgs lgt lib lic lig lii lil lio lir lis lit llb llc llg lli lll llo llr lls llt lob loc log loi lol loo lor los lot lrb lrc lrg lri lro lrr lrs lrt lsb lsc lsg lsi lsl lso lsr lss lst ltb ltc ltg lti ltl lto ltr lts ltt o-i ob- obb obc obg obi obl obo obr obs obt oc- ocb occ ocg oci ocl oco ocr ocs oct ogc ogg ogi ogl ogo ogs ogt oib oic oii oil oio oir ois oit olb olc olg oli oll olo ols olt oo- oob ooc oog ooi ool ooo oor oos oot or- orb orc org ori orl oro orr ors ort os- osb osc osg osi osl oso osr oss ost ot- otb otc otg oti otl oto otr ots ott rbb rbc rbg rbi rbl rbo rbr rbs rbt rcb rcc rcg rci rcl rco rcr rcs rct rgb rgc rgg rgi rgo rgr rgs rgt rib ric rig rii ril rio rir ris rit rlc rlg rli rll rlo rlr rls rlt rob roc rog roi rol roo ror ros rot rrb rrc rrg rri rrl rrr rrs rrt rsb rsc rsg rsi rsl rso rsr rss rst rtb rtc rtg rti rtl rto rtr rts rtt sbb sbc sbg sbi sbl sbo sbr sbs sbt scb scc scg sci scl sco scr scs sct sgb sgc sgg sgi sgl sgo sgr sgs sgt sib sic sig sii sil sio sir sis sit slb slc slg sli sll slo slr sls slt sob soc sog soi sol soo sor sos sot sr- srb src srg sri srl sro srr srs srt ss- ssb ssc ssg ssi ssl sso ssr sss sst stb stc stg sti stl sto str sts stt tbb tbc tbg tbi tbl tbo tbr tbs tbt tcb tcc tcg tci tcl tco tcr tcs tct tgb tgc tgg tgi tgl tgo tgr tgs tgt tib tic tig tii til tio tir tis tit tlc tlg tli tll tlo tlr tls tlt to- tob toc tog toi tol too tor tos tot trb trc trg tri trl tro trr trs trt tsb tsc tsg tsi tsl tso tsr tss tst ttb ttc ttg tti ttl tto ttr tts ttt

bbbb bbbs bbci bblb bbls bbrc bbrg bcbc bcbg bcbs bccc bcci bccl bccs bcgs bcis bcit bcor bcos bcrs bcsc bcsl bcss bctc bcts bggs bgst bibb bibi bibl bibo bibs bicc bicg bici bico bics bigb bigc bigg bigo bigs bigt biis bili bill bilo bils bilt bio- bioc biog bioi biol bios biot birb birg biri birl biro birr birs birt bis- bisc bisl biso biss bist bitc bito bits bitt blbt blic blio blir blis blit blls blob bloc blog bloo blot blrc blrg blss blst blts bobb bobi bobo bobs boco bocs bogg bogi bogo bogs bogt boi- boii boil bois boit bolg boli boll bolo bols bolt boob booc boog bool boor boos boot bor- borg bori boro borr bors bort bosc bosi boso boss bost botb boti boto bots bott brcb bric brig bril brio bris brit brls brob broc brog brol broo bror bros brot brrr brrs brsb brsr brst brtc bsci bscs bsgs bsic bslc bsos bssc bsts btcc btcl btcs btob btor btrc btrt btss bttb c-bo cbbc cbbs cbcc cbcl cbcr cbcs cbct cbgb cbir cbit cblb cblc cbol cbot cbrl cbrt cbsc cbsi cbtc cbtl ccbc cccb cccc ccci cccl cccs ccgc ccgs ccgt ccic ccii ccil ccir ccis cclc cclg ccli ccls ccob ccoc ccrc ccrg ccri ccrl ccrs ccrt ccsg ccsi ccsl ccss ccst cctb cctc cctl cctt cgcc cgcg cggs cgis cgro cgsb cgss cgst cgtl cibc cibi cibo cicc cici cico cicr cics cict cigi cigs ciii ciis ciit cili cill cilo cils cilt ciob cior cios cirb