-al -er -ol a-a a-c a-t aaa aac aae aaf aag aal aan aao aar aat ac- aca acc ace acf acg acl acn aco acr act aea aec aee aef aeg ael aen aeo aer aet af- afa afc afe aff afg afl afn afo afr aft ag- aga agc age agf agg agl agn ago agr agt al- ala alc ale alf alg all aln alo alr alt an- ana anc ane anf ang anl ann ano anr ant aoa aoc aoe aof aog aol aon aoo aor aot ar- ara arc are arf arg arl arn aro arr art at- ata atc ate atf atg atl atn ato atr att c-- caa cac cae caf cag cal can cao car cat cca ccc cce ccf ccg ccl ccn cco ccr cct ce- cea cec cee cef ceg cel cen ceo cer cet cfa cfc cfe cff cfg cfl cfn cfo cfr cft cga cgc cge cgg cgl cgn cgo cgr cgt cl- cla clc cle clf clg cll cln clo clr clt cn- cna cnc cne cnf cng cnl cnn cno cnr cnt co- coa coc coe cof cog col con coo cor cot cra crc cre crf crg crl crn cro crr crt cta ctc cte ctf ctg ctl ctn cto ctr ctt eaa eac eae eaf eag eal ean eao ear eat ec- eca ecc ece ecf ecg ecl ecn eco ecr ect eea eec eee eef eeg eel een eeo eer eet ef- efa efc efe eff efg efl efo efr eft ega egc ege egf egg egl egn ego egr egt ela elc ele elf elg ell eln elo elr elt en- ena enc ene enf eng enl enn eno enr ent eo- eoa eoc eoe eof eog eol eon eoo eor eot era erc ere erf erg erl ern ero err ert eta etc ete etf etg etl etn eto etr ett faa fac fae faf fag fal fan fao far fat fca fcc fce fcf fcg fcl fcn fco fcr fct fea fec fee fef feg fel fen feo fer fet ffa ffc ffe fff ffg ffl ffn ffo ffr fft fga fgc fge fgf fgg fgl fgn fgr fgt fla flc fle flf flg fll fln flo flr flt fna fnc fne fnf fng fnl fnn fnr fnt foa foc foe fof fog fol fon foo for fot fra frc fre frf frg frl frn fro frr frt fta ftc fte ftf ftg ftl ftn fto ftr ftt gaa gac gae gaf gag gal gan gao gar gat gca gcc gce gcf gcg gcl gcn gco gcr gct ge- gea gec gee gef geg gel gen geo ger get gfa gfc gfe gff gfl gfo gfr gft gga ggc ggg ggn ggo ggr ggt gla glc gle glf glg gll gln glo glr glt gna gnc gne gnf gnl gnn gno gnr gnt goa goc goe gof gog gol gon goo gor got gra grc gre grf grg grl grn gro grr grt gta gtc gte gtf gtg gtl gtn gto gtr gtt la- laa lac lae laf lag lal lan lao lar lat lca lcc lce lcf lcg lcl lcn lco lcr lct lea lec lee lef leg lel len leo ler let lfa lfc lfe lff lfg lfl lfn lfo lfr lft lga lgc lge lgf lgg lgl lgn lgo lgr lgt lla llc lle llf llg lll lln llo llr llt lna lnc lne lng lnl lnn lno lnr lnt loa loc loe lof log lol lon loo lor lot lra lrc lrf lrg lrn lro lrr lrt lta ltc lte ltf ltg ltl lto ltr ltt naa nac nae naf nag nal nan nao nar nat nca ncc nce ncf ncg ncl ncn nco ncr nct ne- nea nec nee nef neg nel nen neo ner net nfa nfc nfe nff nfl nfn nfo nfr nft nga ngc nge ngf ngg ngl ngn ngo ngt nla nlc nle nlf nlg nll nln nlo nlr nlt nna nnc nne nnf nng nnl nnn nno nnt no- noa noc noe nof nog nol non noo nor not nra nrc nre nrf nrg nrl nrn nro nrr nrt nta ntc nte ntf ntg ntn nto ntr ntt oaa oac oae oaf oag oal oan oao oar oat oc- oca occ ocf ocg ocl ocn oco ocr oct oea oec oee oef oeg oel oen oeo oer oet of- ofa ofc ofe off ofg ofl ofn ofo ofr oft oga ogc oge ogf ogg ogl ogn ogo ogt ola olc ole olf olg oll oln olo olt on- ona onc one onf ong onl onn ono onr ont oo- ooa ooc oof oog ool oon ooo oor oot or- ora orc ore orf org orl orn oro orr ort ot- ota otc ote otf otg otl otn oto otr ott ra- raa rac rae raf rag ral ran rao rar rat rca rcc rce rcf rcg rcl rcn rco rcr rct re- rea rec ree ref reg rel ren reo rer ret rfa rfc rfe rff rfg rfl rfn rfo rfr rft rga rgc rge rgf rgg rgn rgo rgr rgt rla rlc rle rlf rlg rll rln rlo rlr rlt rna rnc rng rnn rno rnr rnt roa roc roe rof rog rol ron roo ror rot rra rrc rrf rrg rrl rrn rrr rrt rta rtc rte rtf rtg rtl rtn rto rtr rtt taa tac tae taf tag tal tan tao tar tat tca tcc tce tcf tcg tcl tcn tco tcr tct te- tea tec tee tef teg tel ten teo ter tet tfa tfc tfe tff tfg tfl tfn tfo tfr tft tga tgc tge tgf tgg tgl tgn tgo tgr tgt tla tlc tle tlf tlg tll tln tlo tlr tlt tna tnc tne tnf tng tnl tnn tno tnr tnt to- toa toc toe tof tog tol ton too tor tot tra trc tre trf trg trl trn tro trr trt tta ttc