a-a a-c aaa aac aae aag aak aam aan aap ac- aca acc ace acg ack acm acn acp aea aec aee aeg aek aem aen aep ag- aga agc age agg agk agm agn agp aka akc ake akg akk akm akn akp ama amc ame amg amk amm amn amp an- ana anc ane ang ank anm ann anp ap- apa apc ape apg apk apm apn app c-- caa cac cae cag cak cam can cap cca ccc cce ccg cck ccm ccn ccp ce- cea cec cee ceg cek cem cen cep cga cgc cge cgg cgm cgn cgp cka ckc ckm cma cmc cme cmg cmk cmm cmn cmp cn- cna cnc cne cng cnm cnn cnp cpa cpc cpe cpg cpk cpm cpn cpp eaa eac eae eag eak eam ean eap ec- eca ecc ece ecg eck ecm ecn eea eec eee eeg eek eem een eep ega egc ege egg egm egn egp eka ekc eke ekg ekp em- ema emc eme emg emk emm emn emp en- ena enc ene eng enk enm enn enp ep- epa epc epe epg epm epn epp g-p gaa gac gae gag gak gam gan gap gca gcc gce gcg gck gcm gcn gcp ge- gea gec gee geg gek gem gen gep gga ggc ggg ggm ggn ggp gka gkm gkn gkp gma gmc gme gmg gmm gmn gmp gna gnc gne gnm gnn gnp gpa gpc gpe gpg gpk gpm gpn gpp ka- kaa kac kae kag kak kam kan kap kca kcc kce kcg kck kcm kcn kcp ke- kea kec kee keg kek kem ken kep kga kgc kgm kgp kkc kke kkk kkm kkn kkp kma kmc kme kmg kmk kmm kmp kn- kna knc kne kng knk knm knn knp kpa kpc kpe kpk kpm kpn kpp maa mac mae mag mak mam man map mc- mca mcc mce mcg mck mcm mcn mcp mea mec mee meg mek mem men mep mga mgc mge mgk mgm mgn mgp mka mkc mke mkg mkk mkm mkn mkp mma mmc mme mmg mmk mmm mmn mmp mna mnc mne mng mnk mnm mnn mnp mpa mpc mpe mpg mpk mpm mpn mpp naa nac nae nag nak nam nan nap nca ncc nce ncg nck ncm ncn ncp ne- nea nec nee neg nek nem nen nep nga ngc nge ngg ngk ngm ngn ngp nka nkc nke nkk nkm nkn nkp nma nmc nme nmg nmk nmm nmn nmp nna nnc nne nng nnk nnm nnn nnp npa npc npe npg npm npn npp p-p paa pac pae pag pak pam pan pap pca pcc pce pcg pck pcm pcn pcp pea pec pee peg pek pem pen pep pga pgc pge pgg pgk pgm pgn pgp pka pkc pke pkg pkm pkn pkp pma pmc pme pmg pmk pmm pmn pmp pn- pna pnc pne png pnk pnm pnn pnp ppa ppc ppe ppg ppk ppm ppn ppp