-al -ic -ol a-a a-c a-i a-t aaa aac aag aai aal aan aao aap aar aat ac- aca acc acg aci acl acn aco acp acr act ag- aga agc agg agi agl agn ago agp agr agt ai- aia aic aig aii ail ain aio aip air ait al- ala alc alg ali all aln alo alp alr alt an- ana anc ang ani anl ann ano anp anr ant aoa aoc aog aoi aol aon aoo aop aor aot ap- apa apc apg api apl apn apo app apr apt ar- ara arc arg ari arl arn aro arp arr art at- ata atc atg ati atl atn ato atp atr att c-- caa cac cag cai cal can cao cap car cat cca ccc ccg cci ccl ccn cco ccp ccr cct cga cgc cgg cgi cgl cgn cgo cgp cgr cgt ci- cia cic cig cii cil cin cio cip cir cit cl- cla clc clg cli cll cln clo clp clr clt cn- cna cnc cng cni cnl cnn cno cnp cnr cnt co- coa coc cog coi col con coo cop cor cot cpa cpc cpg cpi cpl cpn cpo cpp cpr cpt cra crc crg cri crl crn cro crp crr crt cta ctc ctg cti ctl ctn cto ctp ctr ctt g-p gaa gac gag gai gal gan gao gap gar gat gca gcc gcg gci gcl gcn gco gcp gcr gct gga ggc ggg ggi ggn ggo ggp ggr ggt gia gic gig gii gil gin gio gip gir git gla glc glg gli gll gln glo glp glr glt gna gnc gni gnl gnn gno gnp gnr gnt goa goc gog goi gol gon goo gop gor got gpa gpc gpg gpi gpl gpn gpo gpp gpr gpt gra grc grg gri grl grn gro grp grr grt gta gtc gtg gti gtl gtn gto gtp gtr gtt ia- iaa iac iag iai ial ian iao iap iar iat ica icc icg ici icl icn ico icp icr ict iga igc igg igi igl ign igo igp igr igt iia iic iii iil iin iio iip iir iit il- ila ilc ilg ili ill iln ilo ilp ilr ilt in- ina inc ing ini inl inn ino inp inr int io- ioa ioc iog ioi iol ion ioo iop ior iot ipa ipc ipg ipi ipl ipn ipo ipp ipr ipt ir- ira irc irg iri irl irn iro irp irr irt ita itc itg iti itl itn ito itp itt l-p la- laa lac lag lai lal lan lao lap lar lat lca lcc lcg lci lcl lcn lco lcp lcr lct lga lgc lgg lgi lgl lgn lgo lgp lgr lgt lia lic lig lii lil lin lio lip lir lit lla llc llg lli lll lln llo llp llr llt lna lnc lng lni lnl lnn lno lnp lnr lnt loa loc log loi lol lon loo lop lor lot lpa lpc lpg lpi lpl lpn lpo lpp lpr lpt lra lrc lrg lri lrn lro lrp lrr lrt lta ltc ltg lti ltl lto ltp ltr ltt n-i naa nac nag nai nal nan nao nap nar nat nca ncc ncg nci ncl ncn nco ncp ncr nct nga ngc ngg ngi ngl ngn ngo ngp ngt nia nic nig nii nil nin nio nip nir nit nla nlc nlg nli nll nln nlo nlp nlr nlt nna nnc nng nni nnl nnn nno nnp nnt no- noa noc nog noi nol non noo nop nor not npa npc npg npi npl npn npo npp npr npt nra nrc nrg nri nrl nrn nro nrp nrr nrt nta ntc ntg nti ntn nto ntp ntr ntt o-i oaa oac oag oai oal oan oao oap oar oat oc- oca occ ocg oci ocl ocn oco ocp ocr oct oga ogc ogg ogi ogl ogn ogo ogp ogt oia oic oii oil oin oio oip oir oit ola olc olg oli oll oln olo olp olt on- ona onc ong oni onl onn ono onp onr ont oo- ooa ooc oog ooi ool oon ooo oop oor oot op- opa opc opg opi opl opn opo opp opr opt or- ora orc org ori orl orn oro orp orr ort ot- ota otc otg oti otl otn oto otp otr ott p-p paa pac pag pai pal pan pao pap par pat pca pcc pcg pci pcl pcn pco pcp pcr pct pga pgc pgg pgi pgl pgn pgo pgp pgr pgt pia pic pig pii pil pin pio pip pir pit pla plc plg pli pll pln plo plp plr plt pn- pna pnc png pni pnl pnn pno pnp pnr pnt poa poc pog poi pol pon poo pop por pot ppa ppc ppg ppi ppl ppn ppo ppp ppr ppt pra prc prg pri prl prn pro prp prr prt pt- pta ptc ptg pti ptl ptn pto ptp ptr ptt ra- raa rac rag rai ral ran rao rap rar rat rca rcc rcg rci rcl rcn rco rcp rcr rct rga rgc rgg rgi rgn rgo rgp rgr rgt ria ric rig rii ril rin rio rip rir rit rla rlc rlg rli rll rln rlo rlp rlr rlt rna rnc rng rni rnn rno rnp rnr rnt roa roc rog roi rol ron roo rop ror rot rpa rpc rpg rpi rpl rpn rpo rpp rpr rpt rra rrc rrg rri rrl rrn rrp rrr rrt rta rtc rtg rti rtl rtn rto rtp rtr rtt taa tac tag tai tal tan tao tap tar tat tca tcc tcg tci tcl tcn tco tcp tcr tct tga tgc tgg tgi tgl tgn tgo tgp tgr tgt tia tic tig tii til tin tio tip tir tit tla tlc tlg tli tll tln tlo tlp tlr tlt tna tnc tng tni tnl tnn tno tnp tnr tnt to- toa toc tog toi tol ton too top tor tot tpa tpc tpg