-al a-a a-c a-t aaa aac aaf aag aal aar aas aat aau ac- aca acc acf acg acl acr acs act acu af- afa afc aff afg afl afr afs aft afu ag- aga agc agf agg agl agr ags agt agu al- ala alc alf alg all alr als alt alu ar- ara arc arf arg arl arr ars art aru as- asa asc asf asg asl asr ass ast asu at- ata atc atf atg atl atr ats att atu au- aua auc auf aug aul aur aus aut c-- caa cac caf cag cal car cas cat cau cca ccc ccf ccg ccl ccr ccs cct ccu cfa cfc cff cfg cfl cfr cfs cft cfu cga cgc cgg cgl cgr cgs cgt cgu cl- cla clc clf clg cll clr cls clt clu cra crc crf crg crl crr crs crt cru csa csc csf csg csl csr css cst csu cta ctc ctf ctg ctl ctr cts ctt ctu cua cuc cuf cug cul cur cus cut cuu faa fac faf fag fal far fas fat fau fca fcc fcf fcg fcl fcr fcs fct fcu ffa ffc fff ffg ffl ffr ffs fft ffu fga fgc fgf fgg fgl fgr fgs fgt fla flc flf flg fll flr fls flt flu fra frc frf frg frl frr frs frt fru fsa fsc fsf fsg fsl fsr fss fst fsu fta ftc ftf ftg ftl ftr fts ftt ftu fua fuf fug ful fur fus fut fuu gaa gac gaf gag gal gar gas gat gau gca gcc gcf gcg gcl gcr gcs gct gcu gfa gfc gff gfl gfr gfs gft gga ggc ggg ggr ggs ggt ggu gla glc glf glg gll glr gls glt glu gra grc grf grg grl grr grs grt gru gsa gsc gsf gsg gsl gsr gss gst gsu gta gtc gtf gtg gtl gtr gts gtt gtu gu- gua guc guf gug gul gur gus gut guu la- laa lac laf lag lal lar las lat lau lca lcc lcf lcg lcl lcr lcs lct lcu lfa lfc lff lfg lfl lfr lfs lft lfu lga lgc lgf lgg lgl lgr lgs lgt lgu lla llc llf llg lll llr lls llt llu lra lrc lrf lrg lrr lrs lrt lru lsa lsc lsf lsg lsl lsr lss lst lsu lta ltc ltf ltg ltl ltr lts ltt ltu lua luc luf lug lul lur lus lut luu ra- raa rac raf rag ral rar ras rat rau rca rcc rcf rcg rcl rcr rcs rct rcu rfa rfc rff rfg rfl rfr rfs rft rfu rga rgc rgf rgg rgr rgs rgt rla rlc rlf rlg rll rlr rls rlt rlu rra rrc rrf rrg rrl rrr rrs rrt rru rsa rsc rsf rsg rsl rsr rss rst rsu rta rtc rtf rtg rtl rtr rts rtt rtu rua ruc ruf rug rur rus rut ruu saa sac saf sag sal sar sas sat sau sca scc scf scg scl scr scs sct scu sfa sfc sff sfg sfl sfr sfs sft sfu sga sgc sgf sgg sgl sgr sgs sgt sgu sla slc slf slg sll slr sls slt slu sr- sra src srf srg srl srr srs srt ss- ssa ssc ssf ssg ssl ssr sss sst ssu sta stc stf stg stl str sts stt stu sua suc suf sug sul sur sus sut suu taa tac taf tag tal tar tas tat tau tca tcc tcf tcg tcl tcr tcs tct tcu tfa tfc tff tfg tfl tfr tfs tft tfu tga tgc tgf tgg tgl tgr tgs tgt tgu tla tlc tlf tlg tll tlr tls tlt tlu tra trc trf trg trl trr trs trt tru tsa tsc tsf tsg tsl tsr tss tst tsu tta ttc ttf ttg ttl ttr tts ttt ttu tua tuc tuf tug tul tur tus tut tuu ua- uaa uac uaf uag ual uar uas uat uau uca ucc ucf ucg ucl ucr ucs uct ucu ufa ufc uff ufg ufl ufr ufs uft ufu uga ugc ugf ugg ugl ugr ugs ugt ugu ula ulc ulf ulg ull ulr uls ult ulu ur- ura urc urf urg url urr urs urt uru usa usc usf usg usl usr uss ust usu uta utc utf utl utr uts utt utu uua uuc uug uur uus uut uuu