-al -er -ic a-a a-c a-i a-t aaa aac aae aag aai aal aap aar aat ac- aca acc ace acg aci acl acp acr act aea aec aee aeg aei ael aep aer aet ag- aga agc age agg agi agl agp agr agt ai- aia aic aie aig aii ail aip air ait al- ala alc ale alg ali all alp alr alt ap- apa apc ape apg api apl app apr apt ar- ara arc are arg ari arl arp arr art at- ata atc ate atg ati atl atp atr att c-- caa cac cae cag cai cal cap car cat cca ccc cce ccg cci ccl ccp ccr cct ce- cea cec cee ceg cei cel cep cer cet cga cgc cge cgg cgi cgl cgp cgr cgt ci- cia cic cie cig cii cil cip cir cit cl- cla clc cle clg cli cll clp clr clt cpa cpc cpe cpg cpi cpl cpp cpr cpt cra crc cre crg cri crl crp crr crt cta ctc cte ctg cti ctl ctp ctr ctt eaa eac eae eag eai eal eap ear eat ec- eca ecc ece ecg eci ecl ecr ect eea eec eee eeg eel eep eer eet ega egc ege egg egi egl egp egr egt eia eic eie eig eii eil eip eir eit ela elc ele elg eli ell elp elr elt ep- epa epc epe epg epi epl epp epr ept era erc ere erg eri erl erp err ert eta etc ete etg eti etl etp etr ett g-p gaa gac gae gag gai gal gap gar gat gca gcc gce gcg gci gcl gcp gcr gct ge- gea gec gee geg gei gel gep ger get gga ggc ggg ggi ggp ggr ggt gia gic gie gig gii gil gip gir git gla glc gle glg gli gll glp glr glt gpa gpc gpe gpg gpi gpl gpp gpr gpt gra grc gre grg gri grl grp grr grt gta gtc gte gtg gti gtl gtp gtr gtt ia- iaa iac iae iag iai ial iap iar iat ica icc ice icg ici icl icp icr ict ie- iea iec iee ieg iei iel iep ier iet iga igc ige igg igi igl igp igr igt iia iic iie iii iil iip iir iit il- ila ilc ile ilg ili ill ilp ilr ilt ipa ipc ipe ipg ipi ipl ipp ipr ipt ir- ira irc ire irg iri irl irp irr irt ita itc ite itg iti itl itp itt l-p la- laa lac lae lag lai lal lap lar lat lca lcc lce lcg lci lcl lcp lcr lct lea lec lee leg lei lel lep ler let lga lgc lge lgg lgi lgl lgp lgr lgt lia lic lie lig lii lil lip lir lit lla llc lle llg lli lll llp llr llt lpa lpc lpe lpg lpi lpl lpp lpr lpt lra lrc lrg lri lrp lrr lrt lta ltc lte ltg lti ltl ltp ltr ltt p-p paa pac pae pag pai pal pap par pat pca pcc pce pcg pci pcl pcp pcr pct pea pec pee peg pei pel pep per pet pga pgc pge pgg pgi pgl pgp pgr pgt pia pic pie pig pii pil pip pir pit pla plc ple plg pli pll plp plr plt ppa ppc ppe ppg ppi ppl ppp ppr ppt pra prc pre prg pri prl prp prr prt pt- pta ptc pte ptg pti ptl ptp ptr ptt ra- raa rac rae rag rai ral rap rar rat rca rcc rce rcg rci rcl rcp rcr rct re- rea rec ree reg rei rel rep rer ret rga rgc rge rgg rgi rgp rgr rgt ria ric rie rig rii ril rip rir rit rla rlc rle rlg rli rll rlp rlr rlt rpa rpc rpe rpg rpi rpl rpp rpr rpt rra rrc rrg rri rrl rrp rrr rrt rta rtc rte rtg rti rtl rtp rtr rtt taa tac tae tag tai tal tap tar tat tca tcc tce tcg tci tcl tcp tcr tct te- tea tec tee teg tei tel tep ter tet tga tgc tge tgg tgi tgl tgp tgr tgt tia tic tie tig tii til tip tir tit tla tlc tle tlg tli tll tlp tlr tlt tpa tpc tpe tpg tpi tpl tpp tpr tpt tra trc tre trg tri trl trp trr trt tta ttc tte ttg tti ttl ttp ttr ttt