-al -ic -ol a-a a-c a-i a-t aaa aac aae aag aai aal aao aas aat ac- aca acc ace acg aci acl aco acs act aea aec aee aeg aei ael aeo aes aet ag- aga agc age agg agi agl ago ags agt ai- aia aic aie aig aii ail aio ais ait al- ala alc ale alg ali all alo als alt aoa aoc aoe aog aoi aol aoo aos aot as- asa asc ase asg asi asl aso ass ast at- ata atc ate atg ati atl ato ats att c-- caa cac cae cag cai cal cao cas cat cca ccc cce ccg cci ccl cco ccs cct ce- cea cec cee ceg cei cel ceo ces cet cga cgc cge cgg cgi cgl cgo cgs cgt ci- cia cic cie cig cii cil cio cis cit cl- cla clc cle clg cli cll clo cls clt co- coa coc coe cog coi col coo cos cot csa csc cse csg csi csl cso css cst cta ctc cte ctg cti ctl cto cts ctt eaa eac eae eag eai eal eao eas eat ec- eca ecc ece ecg eci ecl eco ecs ect eea eec eee eeg eel eeo ees eet ega egc ege egg egi egl ego egs egt eia eic eie eig eii eil eio eis eit ela elc ele elg eli ell elo els elt eo- eoa eoc eoe eog eoi eol eoo eos eot es- esa esc ese esg esi esl eso ess est eta etc ete etg eti etl eto ets ett gaa gac gae gag gai gal gao gas gat gca gcc gce gcg gci gcl gco gcs gct ge- gea gec gee geg gei gel geo ges get gga ggc ggg ggi ggo ggs ggt gia gic gie gig gii gil gio gis git gla glc gle glg gli gll glo gls glt goa goc goe gog goi gol goo gos got gsa gsc gse gsg gsi gsl gso gss gst gta gtc gte gtg gti gtl gto gts gtt ia- iaa iac iae iag iai ial iao ias iat ica icc ice icg ici icl ico ics ict ie- iea iec iee ieg iei iel ies iet iga igc ige igg igi igl igo igs igt iia iic iie iii iil iio iis iit il- ila ilc ile ilg ili ill ilo ils ilt io- ioa ioc ioe iog ioi iol ioo ios iot is- isa isc ise isg isi isl iso iss ist ita itc ite itg iti itl ito its itt la- laa lac lae lag lai lal lao las lat lca lcc lce lcg lci lcl lco lcs lct lea lec lee leg lei lel leo les let lga lgc lge lgg lgi lgl lgo lgs lgt lia lic lie lig lii lil lio lis lit lla llc lle llg lli lll llo lls llt loa loc loe log loi lol loo los lot lsa lsc lse lsg lsi lsl lso lss lst lta ltc lte ltg lti ltl lto lts ltt o-i oaa oac oae oag oai oal oao oas oat oc- oca occ ocg oci ocl oco ocs oct oea oec oee oeg oei oel oeo oes oet oga ogc oge ogg ogi ogl ogo ogs ogt oia oic oie oii oil oio ois oit ola olc ole olg oli oll olo ols olt oo- ooa ooc oog ooi ool ooo oos oot os- osa osc ose osg osi osl oso oss ost ot- ota otc ote otg oti otl oto ots ott saa sac sae sag sai sal sao sas sat sca scc sce scg sci scl sco scs sct se- sea sec see seg sei sel seo ses set sga sgc sge sgg sgi sgl sgo sgs sgt sia sic sie sig sii sil sio sis sit sla slc sle slg sli sll slo sls slt soa soc soe sog soi sol soo sos sot ss- ssa ssc sse ssg ssi ssl sso sss sst sta stc ste stg sti stl sto sts stt taa tac tae tag tai tal tao tas tat tca tcc tce tcg tci tcl tco tcs tct te- tea tec tee teg tei tel teo tes tet tga tgc tge tgg tgi tgl tgo tgs tgt tia tic tie tig tii til tio tis tit tla tlc tle tlg tli tll tlo tls tlt to- toa toc toe tog toi tol too tos tot tsa tsc tse tsg tsi tsl tso tss tst tta ttc tte ttg tti ttl tto tts ttt