-al -ic -ol a-a a-c a-i a-t aaa aac aag aai aal aao aap aas aat ac- aca acc acg aci acl aco acp acs act ag- aga agc agg agi agl ago agp ags agt ai- aia aic aig aii ail aio aip ais ait al- ala alc alg ali all alo alp als alt aoa aoc aog aoi aol aoo aop aos aot ap- apa apc apg api apl apo app aps apt as- asa asc asg asi asl aso asp ass ast at- ata atc atg ati atl ato atp ats att c-- caa cac cag cai cal cao cap cas cat cca ccc ccg cci ccl cco ccp ccs cct cga cgc cgg cgi cgl cgo cgp cgs cgt ci- cia cic cig cii cil cio cip cis cit cl- cla clc clg cli cll clo clp cls clt co- coa coc cog coi col coo cop cos cot cpa cpc cpg cpi cpl cpo cpp cps cpt csa csc csg csi csl cso csp css cst cta ctc ctg cti ctl cto ctp cts ctt g-p gaa gac gag gai gal gao gap gas gat gca gcc gcg gci gcl gco gcp gcs gct gga ggc ggg ggi ggo ggp ggs ggt gia gic gig gii gil gio gip gis git gla glc glg gli gll glo glp gls glt goa goc gog goi gol goo gop gos got gpa gpc gpg gpi gpl gpo gpp gps gpt gsa gsc gsg gsi gsl gso gsp gss gst gta gtc gtg gti gtl gto gtp gts gtt ia- iaa iac iag iai ial iao iap ias iat ica icc icg ici icl ico icp ics ict iga igc igg igi igl igo igp igs igt iia iic iii iil iio iip iis iit il- ila ilc ilg ili ill ilo ilp ils ilt io- ioa ioc iog ioi iol ioo iop ios iot ipa ipc ipg ipi ipl ipo ipp ips ipt is- isa isc isg isi isl iso isp iss ist ita itc itg iti itl ito itp its itt l-p la- laa lac lag lai lal lao lap las lat lca lcc lcg lci lcl lco lcp lcs lct lga lgc lgg lgi lgl lgo lgp lgs lgt lia lic lig lii lil lio lip lis lit lla llc llg lli lll llo llp lls llt loa loc log loi lol loo lop los lot lpa lpc lpg lpi lpl lpo lpp lps lpt lsa lsc lsg lsi lsl lso lsp lss lst lta ltc ltg lti ltl lto ltp lts ltt o-i oaa oac oag oai oal oao oap oas oat oc- oca occ ocg oci ocl oco ocp ocs oct oga ogc ogg ogi ogl ogo ogp ogs ogt oia oic oii oil oio oip ois oit ola olc olg oli oll olo olp ols olt oo- ooa ooc oog ooi ool ooo oop oos oot op- opa opc opg opi opl opo opp ops opt os- osa osc osg osi osl oso osp oss ost ot- ota otc otg oti otl oto otp ots ott p-p paa pac pag pai pal pao pap pas pat pca pcc pcg pci pcl pco pcp pcs pct pga pgc pgg pgi pgl pgo pgp pgs pgt pia pic pig pii pil pio pip pis pit pla plc plg pli pll plo plp pls plt poa poc pog poi pol poo pop pos pot ppa ppc ppg ppi ppl ppo ppp pps ppt ps- psa psc psg psi psl pso psp pss pst pt- pta ptc ptg pti ptl pto ptp pts ptt saa sac sag sai sal sao sap sas sat sca scc scg sci scl sco scp scs sct sga sgc sgg sgi sgl sgo sgp sgs sgt sia sic sig sii sil sio sip sis sit sla slc slg sli sll slo slp sls slt soa soc sog soi sol soo sop sos sot spa spc spg spi spl spo spp sps spt ss- ssa ssc ssg ssi ssl sso ssp sss sst sta stc stg sti stl sto stp sts stt taa tac tag tai tal tao tap tas tat tca tcc tcg tci tcl tco tcp tcs tct tga tgc tgg tgi tgl tgo tgp tgs tgt tia tic tig tii til tio tip tis tit tla tlc tlg tli tll tlo tlp tls tlt to- toa toc tog toi tol too top tos tot tpa tpc tpg tpi tpl tpo tpp tps tpt tsa tsc tsg tsi tsl tso tsp tss tst tta ttc ttg tti ttl tto ttp tts ttt