-al -er a-a a-c aaa aac aae aaf aag aal aan aar aas aau ac- aca acc ace acf acg acl acn acr acs acu aea aec aee aef aeg ael aen aer aes aeu af- afa afc afe aff afg afl afn afr afs afu ag- aga agc age agf agg agl agn agr ags agu al- ala alc ale alf alg all aln alr als alu an- ana anc ane anf ang anl ann anr ans anu ar- ara arc are arf arg arl arn arr ars aru as- asa asc ase asf asg asl asn asr ass asu au- aua auc aue auf aug aul aun aur aus c-- caa cac cae caf cag cal can car cas cau cca ccc cce ccf ccg ccl ccn ccr ccs ccu ce- cea cec cee cef ceg cel cen cer ces ceu cfa cfc cfe cff cfg cfl cfn cfr cfs cfu cga cgc cge cgg cgl cgn cgr cgs cgu cl- cla clc cle clf clg cll cln clr cls clu cn- cna cnc cne cnf cng cnl cnn cnr cns cnu cra crc cre crf crg crl crn crr crs cru csa csc cse csf csg csl csn csr css csu cua cuc cue cuf cug cul cun cur cus cuu eaa eac eae eaf eag eal ean ear eas eau ec- eca ecc ece ecf ecg ecl ecn ecr ecs ecu eea eec eee eef eeg eel een eer ees ef- efa efc efe eff efg efl efr efs ega egc ege egf egg egl egn egr egs egu ela elc ele elf elg ell eln elr els elu en- ena enc ene enf eng enl enn enr ens enu era erc ere erf erg erl ern err ers eru es- esa esc ese esf esg esl esn esr ess esu eu- eua euc eue euf eug eul eun eur eus faa fac fae faf fag fal fan far fas fau fca fcc fce fcf fcg fcl fcn fcr fcs fcu fea fec fee fef feg fel fen fer fes feu ffa ffc ffe fff ffg ffl ffn ffr ffs ffu fga fgc fge fgf fgg fgl fgn fgr fgs fla flc fle flf flg fll fln flr fls flu fna fnc fne fnf fng fnl fnn fnr fns fnu fra frc fre frf frg frl frn frr frs fru fsa fsc fse fsf fsg fsl fsn fsr fss fsu fua fue fuf fug ful fun fur fus fuu gaa gac gae gaf gag gal gan gar gas gau gca gcc gce gcf gcg gcl gcn gcr gcs gcu ge- gea gec gee gef geg gel gen ger ges geu gfa gfc gfe gff gfl gfr gfs gga ggc ggg ggn ggr ggs ggu gla glc gle glf glg gll gln glr gls glu gna gnc gne gnf gnl gnn gnr gns gnu gra grc gre grf grg grl grn grr grs gru gsa gsc gse gsf gsg gsl gsn gsr gss gsu gu- gua guc gue guf gug gul gun gur gus guu la- laa lac lae laf lag lal lan lar las lau lca lcc lce lcf lcg lcl lcn lcr lcs lcu lea lec lee lef leg lel len ler les leu lfa lfc lfe lff lfg lfl lfn lfr lfs lfu lga lgc lge lgf lgg lgl lgn lgr lgs lgu lla llc lle llf llg lll lln llr lls llu lna lnc lne lng lnl lnn lnr lns lnu lra lrc lrf lrg lrn lrr lrs lru lsa lsc lse lsf lsg lsl lsn lsr lss lsu lua luc lue luf lug lul lun lur lus luu naa nac nae naf nag nal nan nar nas nau nca ncc nce ncf ncg ncl ncn ncr ncs ncu ne- nea nec nee nef neg nel nen ner nes neu nfa nfc nfe nff nfl nfn nfr nfs nfu nga ngc nge ngf ngg ngl ngn ngs ngu nla nlc nle nlf nlg nll nln nlr nls nlu nna nnc nne nnf nng nnl nnn nns nnu nra nrc nre nrf nrg nrl nrn nrr nrs nru nsa nsc nse nsf nsg nsl nsn nsr nss nsu nua nuc nue nug nul nun nur nus nuu ra- raa rac rae raf rag ral ran rar ras rau rca rcc rce rcf rcg rcl rcn rcr rcs rcu re- rea rec ree ref reg rel ren rer res reu rfa rfc rfe rff rfg rfl rfn rfr rfs rfu rga rgc rge rgf rgg rgn rgr rgs rla rlc rle rlf rlg rll rln rlr rls rlu rna rnc rng rnn rnr rns rnu rra rrc rrf rrg rrl rrn rrr rrs rru rsa rsc rse rsf rsg rsl rsn rsr rss rsu rua ruc rue ruf rug run rur rus ruu saa sac sae saf sag sal san sar sas sau sca scc sce scf scg scl scn scr scs scu se- sea sec see sef seg sel sen ser ses seu sfa sfc sfe sff sfg sfl sfn sfr sfs sfu sga sgc sge sgf sgg sgl sgn sgr sgs sgu sla slc sle slf slg sll sln slr sls slu sna snc sne snf sng snl snn snr sns snu sr- sra src sre srf srg srl srn srr srs ss- ssa ssc sse ssf ssg ssl ssn ssr sss ssu sua suc sue suf sug sul sun sur sus suu ua- uaa uac uae uaf uag ual uan uar uas uau uca ucc uce ucf ucg ucl ucn ucr ucs ucu uea uec uee uef ueg uel uen uer ues ufa ufc ufe uff ufg ufl ufn ufr ufs ufu uga ugc uge ugf ugg ugl ugn ugr ugs ugu ula ulc ule ulf ulg ull uln ulr uls ulu un- una unc une unf ung unl unn unr uns unu ur- ura urc ure urf urg url urn urr urs uru usa usc use usf usg usl usn usr uss usu uua uuc uue uug uun uur uus uuu