a-a a-b a-t aaa aab aad aae aag aan aap aat ab- aba abb abd abe abg abn abp abt ad- ada adb add ade adg adn adp adt aea aeb aed aee aeg aen aep aet ag- aga agb agd age agg agn agp agt an- ana anb and ane ang ann anp ant ap- apa apb apd ape apg apn app apt at- ata atb atd ate atg atn atp att b-p baa bab bad bae bag ban bap bat bba bbb bbd bbe bbg bbn bbp bbt bda bdb bdd bde bdg bdp bdt be- bea beb bed bee beg ben bep bet bga bgb bgd bge bgg bgn bgp bgt bna bnb bnd bne bng bnn bnp bnt bpa bpb bpd bpe bpg bpn bpp bpt bta btb btd bte btg btn btp btt daa dab dad dae dag dan dap dat dba dbb dbd dbe dbg dbn dbp dbt dda ddb ddd dde ddg ddn ddp ddt de- dea deb ded dee deg den dep det dga dgd dge dgg dgn dgp dgt dna dnb dnd dne dng dnn dnp dnt dpa dpb dpd dpe dpg dpn dpp dpt dta dtb dtd dte dtg dtn dtp dtt eaa eab ead eae eag ean eap eat eba ebb ebd ebe ebg ebn ebp ebt ed- eda edb edd ede edg edn edp edt eea eeb eed eee eeg een eep eet ega egb egd ege egg egn egp egt en- ena enb end ene eng enn enp ent ep- epa epb epd epe epg epn epp ept eta etb etd ete etg etn etp ett g-d g-p gaa gab gad gae gag gan gap gat gba gbd gbe gbg gbn gbp gbt gda gdb gdd gde gdn gdp gdt ge- gea geb ged gee geg gen gep get gga ggb ggd ggg ggn ggp ggt gna gnb gnd gne gnn gnp gnt gpa gpb gpd gpe gpg gpn gpp gpt gta gtb gtd gte gtg gtn gtp gtt naa nab nad nae nag nan nap nat nba nbb nbd nbe nbg nbn nbp nbt nda ndb ndd nde ndg ndn ndp ndt ne- nea neb ned nee neg nen nep net nga ngb ngd nge ngg ngn ngp ngt nna nnb nne nng nnn nnp nnt npa npb npd npe npg npn npp npt nta ntb ntd nte ntg ntn ntp ntt p-p paa pab pad pae pag pan pap pat pba pbb pbd pbe pbg pbn pbp pbt pda pdb pdd pde pdg pdn pdp pdt pea peb ped pee peg pen pep pet pga pgb pgd pge pgg pgn pgp pgt pn- pna pnb pnd pne png pnn pnp pnt ppa ppb ppd ppe ppg ppn ppp ppt pt- pta ptb ptd pte ptg ptn ptp ptt taa tab tad tae tag tan tap tat tba tbb tbd tbe tbg tbn tbp tbt tda tdb tdd tde tdg tdn tdp tdt te- tea teb ted tee teg ten tep tet tga tgb tge tgg tgn tgp tgt tna tnb tnd tne tng tnn tnp tnt tpa tpb tpd tpe tpg tpn tpp tpt tta ttb ttd tte ttg ttn ttp ttt