-ol b-u bbb bbf bbg bbl bbn bbo bbs bbt bbu bfb bff bfg bfl bfn bfo bfs bft bfu bgb bgf bgg bgl bgn bgo bgs bgt bgu blb blf blg bll bln blo bls blt blu bnb bnf bng bnl bnn bno bns bnt bnu bob bof bog bol bon boo bos bot bou bsb bsf bsg bsl bsn bso bss bst bsu btb btf btg btl btn bto bts btt btu bub buf bug bul bun buo bus but buu fbb fbf fbg fbl fbn fbo fbs fbt fbu fff ffg ffl ffn ffo ffs fft ffu fgb fgf fgg fgl fgn fgs fgt flb flf flg fll fln flo fls flt flu fnb fnf fng fnl fnn fns fnt fnu fob fof fog fol fon foo fos fot fou fsb fsf fsg fsl fsn fso fss fst fsu ftb ftf ftg ftl ftn fto fts ftt ftu fub fuf fug ful fun fuo fus fut fuu gbf gbg gbl gbn gbo gbs gbt gbu gfb gff gfl gfo gfs gft ggb ggg ggn ggo ggs ggt ggu glb glf glg gll gln glo gls glt glu gnb gnf gnl gnn gno gns gnt gnu gob gof gog gol gon goo gos got gou gsb gsf gsg gsl gsn gso gss gst gsu gtb gtf gtg gtl gtn gto gts gtt gtu gu- gub guf gug gul gun guo gus gut guu lbb lbf lbg lbl lbo lbs lbt lbu lfb lff lfg lfl lfn lfo lfs lft lfu lgb lgf lgg lgl lgn lgo lgs lgt lgu llb llf llg lll lln llo lls llt llu lnb lng lnl lnn lno lns lnt lnu lob lof log lol lon loo los lot lou lsb lsf lsg lsl lsn lso lss lst lsu ltb ltf ltg ltl lto lts ltt ltu lub luf lug lul lun luo lus lut luu nbb nbf nbg nbl nbn nbo nbs nbt nbu nfb nff nfl nfn nfo nfs nft nfu ngb ngf ngg ngl ngn ngo ngs ngt ngu nlb nlf nlg nll nln nlo nls nlt nlu nnb nnf nng nnl nnn nno nns nnt nnu no- nob nof nog nol non noo nos not nou nsb nsf nsg nsl nsn nso nss nst nsu ntb ntf ntg ntn nto nts ntt ntu nub nug nul nun nuo nus nut nuu ob- obb obf obg obl obn obo obs obt obu of- ofb off ofg ofl ofn ofo ofs oft ofu ogf ogg ogl ogn ogo ogs ogt olb olf olg oll oln olo ols olt olu on- onb onf ong onl onn ono ons ont onu oo- oob oof oog ool oon ooo oos oot os- osb osf osg osl osn oso oss ost osu ot- otb otf otg otl otn oto ots ott otu ou- ouf oul oun ouo ous out sbb sbf sbg sbl sbn sbo sbs sbt sbu sfb sff sfg sfl sfn sfo sfs sft sfu sgb sgf sgg sgl sgn sgo sgs sgt sgu slb slf slg sll sln slo sls slt slu snb snf sng snl snn sno sns snt snu sob sof sog sol son soo sos sot sou ss- ssb ssf ssg ssl ssn sso sss sst ssu stb stf stg stl stn sto sts stt stu sub suf sug sul sun suo sus sut suu tbb tbf tbg tbl tbn tbo tbs tbt tbu tfb tff tfg tfl tfn tfo tfs tft tfu tgb tgf tgg tgl tgn tgo tgs tgt tgu tlf tlg tll tln tlo tls tlt tlu tnb tnf tng tnl tnn tno tns tnt to- tob tof tog tol ton too tos tot tou tsb tsf tsg tsl tsn tso tss tst tsu ttb ttf ttg ttl ttn tto tts ttt ttu tub tuf tug tul tun tuo tus tut tuu ubb ubf ubg ubl ubn ubo ubs ubt ubu uff ufg ufl ufn ufo ufs uft ufu ugb ugf ugg ugl ugn ugo ugs ugt ugu ulb ulf ulg ull uln ulo uls ult ulu un- unb unf ung unl unn uno uns unt unu uob uog uol uon uoo uos uot usb usf usg usl usn uso uss ust usu utb utf utl utn uto uts utt utu uug uun uus uut uuu