-al -ic -ol a-a a-c a-i a-t aaa aac aag aai aal aan aao aar aat ac- aca acc acg aci acl acn aco acr act ag- aga agc agg agi agl agn ago agr agt ai- aia aic aig aii ail ain aio air ait al- ala alc alg ali all aln alo alr alt an- ana anc ang ani anl ann ano anr ant aoa aoc aog aoi aol aon aoo aor aot ar- ara arc arg ari arl arn aro arr art at- ata atc atg ati atl atn ato atr att c-- caa cac cag cai cal can cao car cat cca ccc ccg cci ccl ccn cco ccr cct cga cgc cgg cgi cgl cgn cgo cgr cgt ci- cia cic cig cii cil cin cio cir cit cl- cla clc clg cli cll cln clo clr clt cn- cna cnc cng cni cnl cnn cno cnr cnt co- coa coc cog coi col con coo cor cot cra crc crg cri crl crn cro crr crt cta ctc ctg cti ctl ctn cto ctr ctt gaa gac gag gai gal gan gao gar gat gca gcc gcg gci gcl gcn gco gcr gct gga ggc ggg ggi ggn ggo ggr ggt gia gic gig gii gil gin gio gir git gla glc glg gli gll gln glo glr glt gna gnc gni gnl gnn gno gnr gnt goa goc gog goi gol gon goo gor got gra grc grg gri grl grn gro grr grt gta gtc gtg gti gtl gtn gto gtr gtt ia- iaa iac iag iai ial ian iao iar iat ica icc icg ici icl icn ico icr ict iga igc igg igi igl ign igo igr igt iia iic iii iil iin iio iir iit il- ila ilc ilg ili ill iln ilo ilr ilt in- ina inc ing ini inl inn ino inr int io- ioa ioc iog ioi iol ion ioo ior iot ir- ira irc irg iri irl irn iro irr irt ita itc itg iti itl itn ito itt la- laa lac lag lai lal lan lao lar lat lca lcc lcg lci lcl lcn lco lcr lct lga lgc lgg lgi lgl lgn lgo lgr lgt lia lic lig lii lil lin lio lir lit lla llc llg lli lll lln llo llr llt lna lnc lng lni lnl lnn lno lnr lnt loa loc log loi lol lon loo lor lot lra lrc lrg lri lrn lro lrr lrt lta ltc ltg lti ltl lto ltr ltt n-i naa nac nag nai nal nan nao nar nat nca ncc ncg nci ncl ncn nco ncr nct nga ngc ngg ngi ngl ngn ngo ngt nia nic nig nii nil nin nio nir nit nla nlc nlg nli nll nln nlo nlr nlt nna nnc nng nni nnl nnn nno nnt no- noa noc nog noi nol non noo nor not nra nrc nrg nri nrl nrn nro nrr nrt nta ntc ntg nti ntn nto ntr ntt o-i oaa oac oag oai oal oan oao oar oat oc- oca occ ocg oci ocl ocn oco ocr oct oga ogc ogg ogi ogl ogn ogo ogt oia oic oii oil oin oio oir oit ola olc olg oli oll oln olo olt on- ona onc ong oni onl onn ono onr ont oo- ooa ooc oog ooi ool oon ooo oor oot or- ora orc org ori orl orn oro orr ort ot- ota otc otg oti otl otn oto otr ott ra- raa rac rag rai ral ran rao rar rat rca rcc rcg rci rcl rcn rco rcr rct rga rgc rgg rgi rgn rgo rgr rgt ria ric rig rii ril rin rio rir rit rla rlc rlg rli rll rln rlo rlr rlt rna rnc rng rni rnn rno rnr rnt roa roc rog roi rol ron roo ror rot rra rrc rrg rri rrl rrn rrr rrt rta rtc rtg rti rtl rtn rto rtr rtt taa tac tag tai tal tan tao tar tat tca tcc tcg tci tcl tcn tco tcr tct tga tgc tgg tgi tgl tgn tgo tgr tgt tia tic tig tii til tin tio tir tit tla tlc tlg tli tll tln tlo tlr tlt tna tnc tng tni tnl tnn tno tnr tnt to- toa toc tog toi tol ton too tor tot tra trc trg tri trl trn tro trr trt tta ttc ttg tti ttl ttn tto ttr ttt