-al -er a-a a-c a-t aaa aac aae aag aak aal aap aar aat ac- aca acc ace acg ack acl acp acr act aea aec aee aeg aek ael aep aer aet ag- aga agc age agg agk agl agp agr agt aka akc ake akg akk akl akp akr al- ala alc ale alg alk all alp alr alt ap- apa apc ape apg apk apl app apr apt ar- ara arc are arg ark arl arp arr art at- ata atc ate atg atl atp atr att c-- caa cac cae cag cak cal cap car cat cca ccc cce ccg cck ccl ccp ccr cct ce- cea cec cee ceg cek cel cep cer cet cga cgc cge cgg cgl cgp cgr cgt cka ckc ckt cl- cla clc cle clg clk cll clp clr clt cpa cpc cpe cpg cpk cpl cpp cpr cpt cra crc cre crg crk crl crp crr crt cta ctc cte ctg ctk ctl ctp ctr ctt eaa eac eae eag eak eal eap ear eat ec- eca ecc ece ecg eck ecl ecr ect eea eec eee eeg eek eel eep eer eet ega egc ege egg egl egp egr egt eka ekc eke ekg ekl ekp ekr ekt ela elc ele elg elk ell elp elr elt ep- epa epc epe epg epl epp epr ept era erc ere erg erk erl erp err ert eta etc ete etg etk etl etp etr ett g-p gaa gac gae gag gak gal gap gar gat gca gcc gce gcg gck gcl gcp gcr gct ge- gea gec gee geg gek gel gep ger get gga ggc ggg ggp ggr ggt gka gkp gkt gla glc gle glg glk gll glp glr glt gpa gpc gpe gpg gpk gpl gpp gpr gpt gra grc gre grg grk grl grp grr grt gta gtc gte gtg gtk gtl gtp gtr gtt k-t ka- kaa kac kae kag kak kal kap kar kat kca kcc kce kcg kck kcl kcp kcr kct ke- kea kec kee keg kek kel kep ker ket kga kgc kgl kgp kkc kke kkk kkl kkp kkr kkt kl- kla klc klg klr klt kpa kpc kpe kpk kpl kpp kpr kpt kra krc krg krk krl krp krr krt kta ktc kte ktg ktk ktl ktp ktr ktt l-p la- laa lac lae lag lak lal lap lar lat lca lcc lce lcg lck lcl lcp lcr lct lea lec lee leg lek lel lep ler let lga lgc lge lgg lgk lgl lgp lgr lgt lka lkg lkl lkp lkr lkt lla llc lle llg llk lll llp llr llt lpa lpc lpe lpg lpk lpl lpp lpr lpt lra lrc lrg lrk lrp lrr lrt lta ltc lte ltg ltk ltl ltp ltr ltt p-p paa pac pae pag pak pal pap par pat pca pcc pce pcg pck pcl pcp pcr pct pea pec pee peg pek pel pep per pet pga pgc pge pgg pgk pgl pgp pgr pgt pka pkc pke pkg pkl pkp pkr pkt pla plc ple plg plk pll plp plr plt ppa ppc ppe ppg ppk ppl ppp ppr ppt pra prc pre prg prk prl prp prr prt pt- pta ptc pte ptg ptk ptl ptp ptr ptt ra- raa rac rae rag rak ral rap rar rat rca rcc rce rcg rcl rcp rcr rct re- rea rec ree reg rek rel rep rer ret rga rgc rge rgg rgk rgp rgr rgt rkc rke rkg rkk rkp rkt rla rlc rle rlg rll rlp rlr rlt rpa rpc rpe rpg rpk rpl rpp rpr rpt rra rrc rrg rrk rrl rrp rrr rrt rta rtc rte rtg rtk rtl rtp rtr rtt taa tac tae tag tak tal tap tar tat tca tcc tce tcg tck tcl tcp tcr tct te- tea tec tee teg tek tel tep ter tet tga tgc tge tgg tgk tgl tgp tgr tgt tka tkc tke tkg tkk tkl tkp tkr tkt tla tlc tle tlg tlk tll tlp tlr tlt tpa tpc tpe tpg tpk tpl tpp tpr tpt tra trc tre trg trk trl trp trr trt tta ttc tte ttg ttk ttl ttp ttr ttt