-ic -ol b-u bbb bbc bbg bbi bbl bbo bbs bbu bcb bcc bcg bci bcl bco bcs bcu bgb bgc bgg bgi bgl bgo bgs bgu bi- bib bic big bii bil bio bis biu blb blc blg bli bll blo bls blu bob boc bog boi bol boo bos bou bsb bsc bsg bsi bsl bso bss bsu bub buc bug bui bul buo bus buu c-- cbb cbc cbg cbi cbl cbo cbs cbu ccb ccc ccg cci ccl cco ccs ccu cgb cgc cgg cgi cgl cgo cgs cgu ci- cib cic cig cii cil cio cis ciu cl- clb clc clg cli cll clo cls clu co- cob coc cog coi col coo cos cou csb csc csg csi csl cso css csu cub cuc cug cui cul cuo cus cuu gbc gbg gbi gbl gbo gbs gbu gcb gcc gcg gci gcl gco gcs gcu ggb ggc ggg ggi ggo ggs ggu gib gic gig gii gil gio gis giu glb glc glg gli gll glo gls glu gob goc gog goi gol goo gos gou gsb gsc gsg gsi gsl gso gss gsu gu- gub guc gug gui gul guo gus guu ibb ibc ibg ibi ibl ibo ibs ibu icb icc icg ici icl ico ics icu igb igc igg igi igl igo igs igu iib iic iii iil iio iis iiu il- ilb ilc ilg ili ill ilo ils ilu io- iob ioc iog ioi iol ioo ios iou is- isb isc isg isi isl iso iss isu iu- iub iuc iug iui ius lbb lbc lbg lbi lbl lbo lbs lbu lcb lcc lcg lci lcl lco lcs lcu lgb lgc lgg lgi lgl lgo lgs lgu lib lic lig lii lil lio lis liu llb llc llg lli lll llo lls llu lob loc log loi lol loo los lou lsb lsc lsg lsi lsl lso lss lsu lub luc lug lui lul luo lus luu o-i ob- obb obc obg obi obl obo obs obu oc- ocb occ ocg oci ocl oco ocs ocu ogc ogg ogi ogl ogo ogs oib oic oii oil oio ois oiu olb olc olg oli oll olo ols olu oo- oob ooc oog ooi ool ooo oos os- osb osc osg osi osl oso oss osu ou- ouc oui oul ouo ous sbb sbc sbg sbi sbl sbo sbs sbu scb scc scg sci scl sco scs scu sgb sgc sgg sgi sgl sgo sgs sgu sib sic sig sii sil sio sis siu slb slc slg sli sll slo sls slu sob soc sog soi sol soo sos sou ss- ssb ssc ssg ssi ssl sso sss ssu sub suc sug sui sul suo sus suu ubb ubc ubg ubi ubl ubo ubs ubu ucb ucc ucg uci ucl uco ucs ucu ugb ugc ugg ugi ugl ugo ugs ugu uib uic uig uii uil uio uis uiu ulb ulc ulg uli ull ulo uls ulu uob uoc uog uol uoo uos usb usc usg usi usl uso uss usu uuc uug uus uuu