-al -ic a-a a-c a-i a-t aaa aac aaf aag aai aal aas aat ac- aca acc acf acg aci acl acs act af- afa afc aff afg afi afl afs aft ag- aga agc agf agg agi agl ags agt ai- aia aic aif aig aii ail ais ait al- ala alc alf alg ali all als alt as- asa asc asf asg asi asl ass ast at- ata atc atf atg ati atl ats att c-- caa cac caf cag cai cal cas cat cca ccc ccf ccg cci ccl ccs cct cfa cfc cff cfg cfi cfl cfs cft cga cgc cgg cgi cgl cgs cgt ci- cia cic cif cig cii cil cis cit cl- cla clc clf clg cli cll cls clt csa csc csf csg csi csl css cst cta ctc ctf ctg cti ctl cts ctt faa fac faf fag fai fal fas fat fca fcc fcf fcg fci fcl fcs fct ffa ffc fff ffg ffi ffl ffs fft fga fgc fgf fgg fgi fgl fgs fgt fia fic fif fig fii fil fis fit fla flc flf flg fli fll fls flt fsa fsc fsf fsg fsi fsl fss fst fta ftc ftf ftg fti ftl fts ftt gaa gac gaf gag gai gal gas gat gca gcc gcf gcg gci gcl gcs gct gfa gfc gff gfi gfl gfs gft gga ggc ggg ggi ggs ggt gia gic gif gig gii gil gis git gla glc glf glg gli gll gls glt gsa gsc gsf gsg gsi gsl gss gst gta gtc gtf gtg gti gtl gts gtt i-f ia- iaa iac iaf iag iai ial ias iat ica icc icf icg ici icl ics ict ifa ifc iff ifg ifi ifl ifs ift iga igc igf igg igi igl igs igt iia iic iif iii iil iis iit il- ila ilc ilf ilg ili ill ils ilt is- isa isc isf isg isi isl iss ist ita itc itf itg iti itl its itt la- laa lac laf lag lai lal las lat lca lcc lcf lcg lci lcl lcs lct lfa lfc lff lfg lfi lfl lfs lft lga lgc lgf lgg lgi lgl lgs lgt lia lic lif lig lii lil lis lit lla llc llf llg lli lll lls llt lsa lsc lsf lsg lsi lsl lss lst lta ltc ltf ltg lti ltl lts ltt saa sac saf sag sai sal sas sat sca scc scf scg sci scl scs sct sfa sfc sff sfg sfi sfl sfs sft sga sgc sgf sgg sgi sgl sgs sgt sia sic sif sig sii sil sis sit sla slc slf slg sli sll sls slt ss- ssa ssc ssf ssg ssi ssl sss sst sta stc stf stg sti stl sts stt taa tac taf tag tai tal tas tat tca tcc tcf tcg tci tcl tcs tct tfa tfc tff tfg tfi tfl tfs tft tga tgc tgf tgg tgi tgl tgs tgt tia tic tif tig tii til tis tit tla tlc tlf tlg tli tll tls tlt tsa tsc tsf tsg tsi tsl tss tst tta ttc ttf ttg tti ttl tts ttt