-al -ic -ol a-a a-c a-i a-t aaa aac aag aai aal aao aas aat ac- aca acc acg aci acl aco acs act ag- aga agc agg agi agl ago ags agt ai- aia aic aig aii ail aio ais ait al- ala alc alg ali all alo als alt aoa aoc aog aoi aol aoo aos aot as- asa asc asg asi asl aso ass ast at- ata atc atg ati atl ato ats att c-- caa cac cag cai cal cao cas cat cca ccc ccg cci ccl cco ccs cct cga cgc cgg cgi cgl cgo cgs cgt ci- cia cic cig cii cil cio cis cit cl- cla clc clg cli cll clo cls clt co- coa coc cog coi col coo cos cot csa csc csg csi csl cso css cst cta ctc ctg cti ctl cto cts ctt gaa gac gag gai gal gao gas gat gca gcc gcg gci gcl gco gcs gct gga ggc ggg ggi ggo ggs ggt gia gic gig gii gil gio gis git gla glc glg gli gll glo gls glt goa goc gog goi gol goo gos got gsa gsc gsg gsi gsl gso gss gst gta gtc gtg gti gtl gto gts gtt ia- iaa iac iag iai ial iao ias iat ica icc icg ici icl ico ics ict iga igc igg igi igl igo igs igt iia iic iii iil iio iis iit il- ila ilc ilg ili ill ilo ils ilt io- ioa ioc iog ioi iol ioo ios iot is- isa isc isg isi isl iso iss ist ita itc itg iti itl ito its itt la- laa lac lag lai lal lao las lat lca lcc lcg lci lcl lco lcs lct lga lgc lgg lgi lgl lgo lgs lgt lia lic lig lii lil lio lis lit lla llc llg lli lll llo lls llt loa loc log loi lol loo los lot lsa lsc lsg lsi lsl lso lss lst lta ltc ltg lti ltl lto lts ltt o-i oaa oac oag oai oal oao oas oat oc- oca occ ocg oci ocl oco ocs oct oga ogc ogg ogi ogl ogo ogs ogt oia oic oii oil oio ois oit ola olc olg oli oll olo ols olt oo- ooa ooc oog ooi ool ooo oos oot os- osa osc osg osi osl oso oss ost ot- ota otc otg oti otl oto ots ott saa sac sag sai sal sao sas sat sca scc scg sci scl sco scs sct sga sgc sgg sgi sgl sgo sgs sgt sia sic sig sii sil sio sis sit sla slc slg sli sll slo sls slt soa soc sog soi sol soo sos sot ss- ssa ssc ssg ssi ssl sso sss sst sta stc stg sti stl sto sts stt taa tac tag tai tal tao tas tat tca tcc tcg tci tcl tco tcs tct tga tgc tgg tgi tgl tgo tgs tgt tia tic tig tii til tio tis tit tla tlc tlg tli tll tlo tls tlt to- toa toc tog toi tol too tos tot tsa tsc tsg tsi tsl tso tss tst tta ttc ttg tti ttl tto tts ttt