-al -ic -ol a-a a-c a-i a-t aaa aac aag aai aal aao aar aas aat ac- aca acc acg aci acl aco acr acs act ag- aga agc agg agi agl ago agr ags agt ai- aia aic aig aii ail aio air ais ait al- ala alc alg ali all alo alr als alt aoa aoc aog aoi aol aoo aor aos aot ar- ara arc arg ari arl aro arr ars art as- asa asc asg asi asl aso asr ass ast at- ata atc atg ati atl ato atr ats att c-- caa cac cag cai cal cao car cas cat cca ccc ccg cci ccl cco ccr ccs cct cga cgc cgg cgi cgl cgo cgr cgs cgt ci- cia cic cig cii cil cio cir cis cit cl- cla clc clg cli cll clo clr cls clt co- coa coc cog coi col coo cor cos cot cra crc crg cri crl cro crr crs crt csa csc csg csi csl cso csr css cst cta ctc ctg cti ctl cto ctr cts ctt gaa gac gag gai gal gao gar gas gat gca gcc gcg gci gcl gco gcr gcs gct gga ggc ggg ggi ggo ggr ggs ggt gia gic gig gii gil gio gir gis git gla glc glg gli gll glo glr gls glt goa goc gog goi gol goo gor gos got gra grc grg gri grl gro grr grs grt gsa gsc gsg gsi gsl gso gsr gss gst gta gtc gtg gti gtl gto gtr gts gtt ia- iaa iac iag iai ial iao iar ias iat ica icc icg ici icl ico icr ics ict iga igc igg igi igl igo igr igs igt iia iic iii iil iio iir iis iit il- ila ilc ilg ili ill ilo ilr ils ilt io- ioa ioc iog ioi iol ioo ior ios iot ir- ira irc irg iri irl iro irr irs irt is- isa isc isg isi isl iso isr iss ist ita itc itg iti itl ito its itt la- laa lac lag lai lal lao lar las lat lca lcc lcg lci lcl lco lcr lcs lct lga lgc lgg lgi lgl lgo lgr lgs lgt lia lic lig lii lil lio lir lis lit lla llc llg lli lll llo llr lls llt loa loc log loi lol loo lor los lot lra lrc lrg lri lro lrr lrs lrt lsa lsc lsg lsi lsl lso lsr lss lst lta ltc ltg lti ltl lto ltr lts ltt o-i oaa oac oag oai oal oao oar oas oat oc- oca occ ocg oci ocl oco ocr ocs oct oga ogc ogg ogi ogl ogo ogs ogt oia oic oii oil oio oir ois oit ola olc olg oli oll olo ols olt oo- ooa ooc oog ooi ool ooo oor oos oot or- ora orc org ori orl oro orr ors ort os- osa osc osg osi osl oso osr oss ost ot- ota otc otg oti otl oto otr ots ott ra- raa rac rag rai ral rao rar ras rat rca rcc rcg rci rcl rco rcr rcs rct rga rgc rgg rgi rgo rgr rgs rgt ria ric rig rii ril rio rir ris rit rla rlc rlg rli rll rlo rlr rls rlt roa roc rog roi rol roo ror ros rot rra rrc rrg rri rrl rrr rrs rrt rsa rsc rsg rsi rsl rso rsr rss rst rta rtc rtg rti rtl rto rtr rts rtt saa sac sag sai sal sao sar sas sat sca scc scg sci scl sco scr scs sct sga sgc sgg sgi sgl sgo sgr sgs sgt sia sic sig sii sil sio sir sis sit sla slc slg sli sll slo slr sls slt soa soc sog soi sol soo sor sos sot sr- sra src srg sri srl sro srr srs srt ss- ssa ssc ssg ssi ssl sso ssr sss sst sta stc stg sti stl sto str sts stt taa tac tag tai tal tao tar tas tat tca tcc tcg tci tcl tco tcr tcs tct tga tgc tgg tgi tgl tgo tgr tgs tgt tia tic tig tii til tio tir tis tit tla tlc tlg tli tll tlo tlr tls tlt to- toa toc tog toi tol too tor tos tot tra trc trg tri trl tro trr trs trt tsa tsc tsg tsi tsl tso tsr tss tst tta ttc ttg tti ttl tto ttr tts ttt