-al a-a a-c a-t aaa aac aaf aag aal aan aar aat ac- aca acc acf acg acl acn acr act af- afa afc aff afg afl afn afr aft ag- aga agc agf agg agl agn agr agt al- ala alc alf alg all aln alr alt an- ana anc anf ang anl ann anr ant ar- ara arc arf arg arl arn arr art at- ata atc atf atg atl atn atr att c-- caa cac caf cag cal can car cat cca ccc ccf ccg ccl ccn ccr cct cfa cfc cff cfg cfl cfn cfr cft cga cgc cgg cgl cgn cgr cgt cl- cla clc clf clg cll cln clr clt cn- cna cnc cnf cng cnl cnn cnr cnt cra crc crf crg crl crn crr crt cta ctc ctf ctg ctl ctn ctr ctt faa fac faf fag fal fan far fat fca fcc fcf fcg fcl fcn fcr fct ffa ffc fff ffg ffl ffn ffr fft fga fgc fgf fgg fgl fgn fgr fgt fla flc flf flg fll fln flr flt fna fnc fnf fng fnl fnn fnr fnt fra frc frf frg frl frn frr frt fta ftc ftf ftg ftl ftn ftr ftt gaa gac gaf gag gal gan gar gat gca gcc gcf gcg gcl gcn gcr gct gfa gfc gff gfl gfr gft gga ggc ggg ggn ggr ggt gla glc glf glg gll gln glr glt gna gnc gnf gnl gnn gnr gnt gra grc grf grg grl grn grr grt gta gtc gtf gtg gtl gtn gtr gtt la- laa lac laf lag lal lan lar lat lca lcc lcf lcg lcl lcn lcr lct lfa lfc lff lfg lfl lfn lfr lft lga lgc lgf lgg lgl lgn lgr lgt lla llc llf llg lll lln llr llt lna lnc lng lnl lnn lnr lnt lra lrc lrf lrg lrn lrr lrt lta ltc ltf ltg ltl ltr ltt naa nac naf nag nal nan nar nat nca ncc ncf ncg ncl ncn ncr nct nfa nfc nff nfl nfn nfr nft nga ngc ngf ngg ngl ngn ngt nla nlc nlf nlg nll nln nlr nlt nna nnc nnf nng nnl nnn nnt nra nrc nrf nrg nrl nrn nrr nrt nta ntc ntf ntg ntn ntr ntt ra- raa rac raf rag ral ran rar rat rca rcc rcf rcg rcl rcn rcr rct rfa rfc rff rfg rfl rfn rfr rft rga rgc rgf rgg rgn rgr rgt rla rlc rlf rlg rll rln rlr rlt rna rnc rng rnn rnr rnt rra rrc rrf rrg rrl rrn rrr rrt rta rtc rtf rtg rtl rtn rtr rtt taa tac taf tag tal tan tar tat tca tcc tcf tcg tcl tcn tcr tct tfa tfc tff tfg tfl tfn tfr tft tga tgc tgf tgg tgl tgn tgr tgt tla tlc tlf tlg tll tln tlr tlt tna tnc tnf tng tnl tnn tnr tnt tra trc trf trg trl trn trr trt tta ttc ttf ttg ttl ttn ttr ttt

-ana aaaa aaac aaaf aaal aaan aaar aaca aacc aacf aacl aacn aacr aact aafa aafc aaff aafl aala aalc aall aana aang aara aarc aart aata aatc aatf aatt ac-t acaa acac acag acan acar acat acca accc accf acct acfc acfl acft acga acgr acla aclc aclr acr- acra acrc acrr acta actc actf actg actl actt afaa afan afar afat afca afcc affa affc afft afgf afla aflc aflg afr- afra afrc afta aftc aftn agac agag agal agan agar agat agca agcc agct agfa agga agla aglc agna agra agrl agta agtr alaa alac alag alal alan alar alat alca alcc alfa alg- alga all- alla alll alln allr alna alta altn ana- anaa anac anag anal anan anar anat anca ancc anct anfa ang- anga angl anla anlc anln anna annt anrc ant- anta antl antr antt arac araf arag aral aran arar arat arc- arca arct arfa arfc arff arft arga arla arna arng arnt arr- arra arrc arrg arrr arrt arta artc artr at-l at-t ataa atac atal atan atar atat atca atcc atcf atcl atcr atfc atla atna atra atrc atrn atta attn attr caaa caac caaf caal caan caat cac- caca cacc cacr cafa cafc caff cafl caga cagg cagn cagr cala calc calf call calt cana canc cang cann cant cara carc carf carl carn carr cart cat- cata catc catf catt ccaa ccac ccaf ccag ccar ccat ccca cccc cccf cccl ccfa ccfc ccff ccfl ccga ccgc ccgt ccla cclc cclg ccna ccnc ccnf ccnr ccra ccrc ccrf ccrg ccrl ccrt cctc cctl cctt cfaa cfac cfar cfca cfcf cfcl cfcn cffr cfgn cfln cfnr cfra cfrg cfrn cfrt cfta cftc cftl cftr cgac cgal cgcc cgcg cgfc cgtl claf clag clan clar clat clra cltc cnaa cnac cnag cnfa cnna cnrc cnrr cnrt cnta cntc cntf cntr crac craf crag cran crar crat crca crcc crcr crfc crfl crlf crna crrt crtc crtf crtl ctag ctal ctan ctca ctcf ctfc ctgf ctlg ctrc ctrl ctrn ctta cttn faaa faac faan faca facc fact fafa fafc faff fafg fagg fala falc fall faln falt fana fanc fang fant fara farc farg farl farr fart fata fatc fatf fatt fcal fcar fcat fcca fccf fcnl fcra ffar ffcc ffff ffrr fftf flac flag flan flat flcl flna flnc fltg fnac fnar fnlc fnta frac frag fran frat frcc frcn frfc frla frta ft-c ft-l ftan ftfc gaal gaar gafa gafc gaff gaft gaga gagg gala gall galt gana ganc gang gann gant gara garf garg garn garr gart gata gatc gatr gatt gc-c gcaa gcal gcat gccc gccf gcfc gclc gcna gcrg gctc gfcf gffa ggcl ggfg gggg ggrn glaa glan glar glat glcc glfc gnaa gnac gnal gnar gnat gncc gngc gnrc gnrr grac graf gran grat grcc grfa grrl grrr grtc gtaa gtcr gtfc gtta laaa laac laag laal laan laar laat laca lacc lacl lact