-al -ol a-a a-c a-t aaa aac aaf aag aal aan aao aar aas aat ac- aca acc acf acg acl acn aco acr acs act af- afa afc aff afg afl afn afo afr afs aft ag- aga agc agf agg agl agn ago agr ags agt al- ala alc alf alg all aln alo alr als alt an- ana anc anf ang anl ann ano anr ans ant aoa aoc aof aog aol aon aoo aor aos aot ar- ara arc arf arg arl arn aro arr ars art as- asa asc asf asg asl asn aso asr ass ast at- ata atc atf atg atl atn ato atr ats att c-- caa cac caf cag cal can cao car cas cat cca ccc ccf ccg ccl ccn cco ccr ccs cct cfa cfc cff cfg cfl cfn cfo cfr cfs cft cga cgc cgg cgl cgn cgo cgr cgs cgt cl- cla clc clf clg cll cln clo clr cls clt cn- cna cnc cnf cng cnl cnn cno cnr cns cnt co- coa coc cof cog col con coo cor cos cot cra crc crf crg crl crn cro crr crs crt csa csc csf csg csl csn cso csr css cst cta ctc ctf ctg ctl ctn cto ctr cts ctt faa fac faf fag fal fan fao far fas fat fca fcc fcf fcg fcl fcn fco fcr fcs fct ffa ffc fff ffg ffl ffn ffo ffr ffs fft fga fgc fgf fgg fgl fgn fgr fgs fgt fla flc flf flg fll fln flo flr fls flt fna fnc fnf fng fnl fnn fnr fns fnt foa foc fof fog fol fon foo for fos fot fra frc frf frg frl frn fro frr frs frt fsa fsc fsf fsg fsl fsn fso fsr fss fst fta ftc ftf ftg ftl ftn fto ftr fts ftt gaa gac gaf gag gal gan gao gar gas gat gca gcc gcf gcg gcl gcn gco gcr gcs gct gfa gfc gff gfl gfo gfr gfs gft gga ggc ggg ggn ggo ggr ggs ggt gla glc glf glg gll gln glo glr gls glt gna gnc gnf gnl gnn gno gnr gns gnt goa goc gof gog gol gon goo gor gos got gra grc grf grg grl grn gro grr grs grt gsa gsc gsf gsg gsl gsn gso gsr gss gst gta gtc gtf gtg gtl gtn gto gtr gts gtt la- laa lac laf lag lal lan lao lar las lat lca lcc lcf lcg lcl lcn lco lcr lcs lct lfa lfc lff lfg lfl lfn lfo lfr lfs lft lga lgc lgf lgg lgl lgn lgo lgr lgs lgt lla llc llf llg lll lln llo llr lls llt lna lnc lng lnl lnn lno lnr lns lnt loa loc lof log lol lon loo lor los lot lra lrc lrf lrg lrn lro lrr lrs lrt lsa lsc lsf lsg lsl lsn lso lsr lss lst lta ltc ltf ltg ltl lto ltr lts ltt naa nac naf nag nal nan nao nar nas nat nca ncc ncf ncg ncl ncn nco ncr ncs nct nfa nfc nff nfl nfn nfo nfr nfs nft nga ngc ngf ngg ngl ngn ngo ngs ngt nla nlc nlf nlg nll nln nlo nlr nls nlt nna nnc nnf nng nnl nnn nno nns nnt no- noa noc nof nog nol non noo nor nos not nra nrc nrf nrg nrl nrn nro nrr nrs nrt nsa nsc nsf nsg nsl nsn nso nsr nss nst nta ntc ntf ntg ntn nto ntr nts ntt oaa oac oaf oag oal oan oao oar oas oat oc- oca occ ocf ocg ocl ocn oco ocr ocs oct of- ofa ofc off ofg ofl ofn ofo ofr ofs oft oga ogc ogf ogg ogl ogn ogo ogs ogt ola olc olf olg oll oln olo ols olt on- ona onc onf ong onl onn ono onr ons ont oo- ooa ooc oof oog ool oon ooo oor oos oot or- ora orc orf org orl orn oro orr ors ort os- osa osc osf osg osl osn oso osr oss ost ot- ota otc otf otg otl otn oto otr ots ott ra- raa rac raf rag ral ran rao rar ras rat rca rcc rcf rcg rcl rcn rco rcr rcs rct rfa rfc rff rfg rfl rfn rfo rfr rfs rft rga rgc rgf rgg rgn rgo rgr rgs rgt rla rlc rlf rlg rll rln rlo rlr rls rlt rna rnc rng rnn rno rnr rns rnt roa roc rof rog rol ron roo ror ros rot rra rrc rrf rrg rrl rrn rrr rrs rrt rsa rsc rsf rsg rsl rsn rso rsr rss rst rta rtc rtf rtg rtl rtn rto rtr rts rtt saa sac saf sag sal san sao sar sas sat sca scc scf scg scl scn sco scr scs sct sfa sfc sff sfg sfl sfn sfo sfr sfs sft sga sgc sgf sgg sgl sgn sgo sgr sgs sgt sla slc slf slg sll sln slo slr sls slt sna snc snf sng snl snn sno snr sns snt soa soc sof sog sol son soo sor sos sot sr- sra src srf srg srl srn sro srr srs srt ss- ssa ssc ssf ssg ssl ssn sso ssr sss sst sta stc stf stg stl stn sto str sts stt taa tac taf tag tal tan tao tar tas tat tca tcc tcf tcg tcl tcn tco tcr tcs tct tfa tfc tff tfg tfl tfn tfo tfr tfs tft tga tgc tgf tgg tgl tgn tgo tgr tgs tgt tla tlc tlf tlg tll tln tlo tlr tls tlt tna tnc tnf tng tnl tnn tno tnr tns tnt to- toa toc tof tog tol ton too tor tos tot tra trc trf trg trl trn tro trr trs trt tsa tsc tsf tsg tsl tsn tso tsr tss tst tta