-al -er a-a a-c a-t aaa aac aae aaf aal aan aar aat ac- aca acc ace acf acl acn acr act aea aec aee aef ael aen aer aet af- afa afc afe aff afl afn afr aft al- ala alc ale alf all aln alr alt an- ana anc ane anf anl ann anr ant ar- ara arc are arf arl arn arr art at- ata atc ate atf atl atn atr att c-- caa cac cae caf cal can car cat cca ccc cce ccf ccl ccn ccr cct ce- cea cec cee cef cel cen cer cet cfa cfc cfe cff cfl cfn cfr cft cl- cla clc cle clf cll cln clr clt cn- cna cnc cne cnf cnl cnn cnr cnt cra crc cre crf crl crn crr crt cta ctc cte ctf ctl ctn ctr ctt eaa eac eae eaf eal ean ear eat ec- eca ecc ece ecf ecl ecn ecr ect eea eec eee eef eel een eer eet ef- efa efc efe eff efl efr eft ela elc ele elf ell eln elr elt en- ena enc ene enf enl enn enr ent era erc ere erf erl ern err ert eta etc ete etf etl etn etr ett faa fac fae faf fal fan far fat fca fcc fce fcf fcl fcn fcr fct fea fec fee fef fel fen fer fet ffa ffc ffe fff ffl ffn ffr fft fla flc fle flf fll fln flr flt fna fnc fne fnf fnl fnn fnr fnt fra frc fre frf frl frn frr frt fta ftc fte ftf ftl ftn ftr ftt la- laa lac lae laf lal lan lar lat lca lcc lce lcf lcl lcn lcr lct lea lec lee lef lel len ler let lfa lfc lfe lff lfl lfn lfr lft lla llc lle llf lll lln llr llt lna lnc lne lnl lnn lnr lnt lra lrc lrf lrn lrr lrt lta ltc lte ltf ltl ltr ltt naa nac nae naf nal nan nar nat nca ncc nce ncf ncl ncn ncr nct ne- nea nec nee nef nel nen ner net nfa nfc nfe nff nfl nfn nfr nft nla nlc nle nlf nll nln nlr nlt nna nnc nne nnf nnl nnn nnt nra nrc nre nrf nrl nrn nrr nrt nta ntc nte ntf ntn ntr ntt ra- raa rac rae raf ral ran rar rat rca rcc rce rcf rcl rcn rcr rct re- rea rec ree ref rel ren rer ret rfa rfc rfe rff rfl rfn rfr rft rla rlc rle rlf rll rln rlr rlt rna rnc rnn rnr rnt rra rrc rrf rrl rrn rrr rrt rta rtc rte rtf rtl rtn rtr rtt taa tac tae taf tal tan tar tat tca tcc tce tcf tcl tcn tcr tct te- tea tec tee tef tel ten ter tet tfa tfc tfe tff tfl tfn tfr tft tla tlc tle tlf tll tln tlr tlt tna tnc tne tnf tnl tnn tnr tnt tra trc tre trf trl trn trr trt tta ttc tte ttf ttl ttn ttr ttt