a-a a-b aaa aab aad aae aag aap aas ab- aba abb abd abe abg abp abs ad- ada adb add ade adg adp ads aea aeb aed aee aeg aep aes ag- aga agb agd age agg agp ags ap- apa apb apd ape apg app aps as- asa asb asd ase asg asp ass b-p baa bab bad bae bag bap bas bba bbb bbd bbe bbg bbp bbs bda bdb bdd bde bdg bdp bds be- bea beb bed bee beg bep bes bga bgb bgd bge bgg bgp bgs bpa bpb bpd bpe bpg bpp bps bsa bsb bsd bse bsg bsp bss daa dab dad dae dag dap das dba dbb dbd dbe dbg dbp dbs dda ddb ddd dde ddg ddp dds de- dea deb ded dee deg dep des dga dgd dge dgg dgp dgs dpa dpb dpd dpe dpg dpp dps dsa dsb dsd dse dsg dsp dss eaa eab ead eae eag eap eas eba ebb ebd ebe ebg ebp ebs ed- eda edb edd ede edg edp eds eea eeb eed eee eeg eep ees ega egb egd ege egg egp egs ep- epa epb epd epe epg epp eps es- esa esb esd ese esg esp ess g-d g-p gaa gab gad gae gag gap gas gba gbd gbe gbg gbp gbs gda gdb gdd gde gdp gds ge- gea geb ged gee geg gep ges gga ggb ggd ggg ggp ggs gpa gpb gpd gpe gpg gpp gps gsa gsb gsd gse gsg gsp gss p-p paa pab pad pae pag pap pas pba pbb pbd pbe pbg pbp pbs pda pdb pdd pde pdg pdp pds pea peb ped pee peg pep pes pga pgb pgd pge pgg pgp pgs ppa ppb ppd ppe ppg ppp pps ps- psa psb psd pse psg psp pss saa sab sad sae sag sap sas sba sbb sbd sbe sbg sbp sbs sda sdb sdd sde sdg sdp sds se- sea seb sed see seg sep ses sga sgb sgd sge sgg sgp sgs spa spb spd spe spg spp sps ss- ssa ssb ssd sse ssg ssp sss