-al a-a a-c aaa aac aad aae aag aak aal aap ac- aca acc acd ace acg ack acl acp ad- ada adc add ade adg adk adl adp aea aec aed aee aeg aek ael aep ag- aga agc agd age agg agk agl agp aka akc akd ake akg akk akl akp al- ala alc ald ale alg alk all alp ap- apa apc apd ape apg apk apl app c-- caa cac cad cae cag cak cal cap cca ccc ccd cce ccg cck ccl ccp cda cdc cdd cde cdg cdk cdl cdp ce- cea cec ced cee ceg cek cel cep cga cgc cgd cge cgg cgl cgp cka ckc ckd cl- cla clc cld cle clg clk cll clp cpa cpc cpd cpe cpg cpk cpl cpp daa dac dad dae dag dak dal dap dca dcc dcd dce dcg dck dcl dcp dda ddc ddd dde ddg ddk ddl ddp de- dea dec ded dee deg dek del dep dga dgc dgd dge dgg dgk dgl dgp dka dkc dke dkg dkk dkl dkp dl- dla dlc dld dle dlg dlk dll dlp dpa dpc dpd dpe dpg dpk dpl dpp eaa eac ead eae eag eak eal eap ec- eca ecc ecd ece ecg eck ecl ed- eda edc edd ede edg edk edl edp eea eec eed eee eeg eek eel eep ega egc egd ege egg egl egp eka ekc ekd eke ekg ekl ekp ela elc eld ele elg elk ell elp ep- epa epc epd epe epg epl epp g-d g-p gaa gac gad gae gag gak gal gap gca gcc gcd gce gcg gck gcl gcp gda gdc gdd gde gdk gdl gdp ge- gea gec ged gee geg gek gel gep gga ggc ggd ggg ggp gka gkd gkp gla glc gld gle glg glk gll glp gpa gpc gpd gpe gpg gpk gpl gpp ka- kaa kac kad kae kag kak kal kap kca kcc kcd kce kcg kck kcl kcp kda kdc kde kdg kdk kdl kdp ke- kea kec ked kee keg kek kel kep kga kgc kgd kgl kgp kkc kke kkk kkl kkp kl- kla klc kld klg kpa kpc kpd kpe kpk kpl kpp l-p la- laa lac lad lae lag lak lal lap lca lcc lcd lce lcg lck lcl lcp lda ldc ldd lde ldg ldk ldl ldp lea lec led lee leg lek lel lep lga lgc lgd lge lgg lgk lgl lgp lka lkg lkl lkp lla llc lld lle llg llk lll llp lpa lpc lpd lpe lpg lpk lpl lpp p-p paa pac pad pae pag pak pal pap pca pcc pcd pce pcg pck pcl pcp pda pdc pdd pde pdg pdk pdl pdp pea pec ped pee peg pek pel pep pga pgc pgd pge pgg pgk pgl pgp pka pkc pkd pke pkg pkl pkp pla plc pld ple plg plk pll plp ppa ppc ppd ppe ppg ppk ppl ppp