a-a a-b a-t aaa aab aad aae aag aao aap aat ab- aba abb abd abe abg abo abp abt ad- ada adb add ade adg ado adp adt aea aeb aed aee aeg aeo aep aet ag- aga agb agd age agg ago agp agt aoa aob aod aoe aog aoo aop aot ap- apa apb apd ape apg apo app apt at- ata atb atd ate atg ato atp att b-p baa bab bad bae bag bao bap bat bba bbb bbd bbe bbg bbo bbp bbt bda bdb bdd bde bdg bdo bdp bdt be- bea beb bed bee beg beo bep bet bga bgb bgd bge bgg bgo bgp bgt boa bob bod boe bog boo bop bot bpa bpb bpd bpe bpg bpo bpp bpt bta btb btd bte btg bto btp btt daa dab dad dae dag dao dap dat dba dbb dbd dbe dbg dbo dbp dbt dda ddb ddd dde ddg ddo ddp ddt de- dea deb ded dee deg deo dep det dga dgd dge dgg dgp dgt doa dob dod doe dog doo dop dot dpa dpb dpd dpe dpg dpo dpp dpt dta dtb dtd dte dtg dto dtp dtt eaa eab ead eae eag eao eap eat eba ebb ebd ebe ebg ebo ebp ebt ed- eda edb edd ede edg edo edp edt eea eeb eed eee eeg eeo eep eet ega egb egd ege egg ego egp egt eo- eoa eob eod eoe eog eoo eop eot ep- epa epb epd epe epg epo epp ept eta etb etd ete etg eto etp ett g-d g-p gaa gab gad gae gag gao gap gat gba gbd gbe gbg gbo gbp gbt gda gdb gdd gde gdo gdp gdt ge- gea geb ged gee geg geo gep get gga ggb ggd ggg ggo ggp ggt goa gob god goe gog goo gop got gpa gpb gpd gpe gpg gpo gpp gpt gta gtb gtd gte gtg gto gtp gtt oaa oab oad oae oag oao oap oat ob- oba obb obd obe obg obo obp obt oda odb odd ode odg odo odp odt oea oeb oed oee oeg oeo oep oet oga ogd oge ogg ogo ogp ogt oo- ooa oob ood oog ooo oop oot op- opa opb opd ope opg opo opp opt ot- ota otb otd ote otg oto otp ott p-p paa pab pad pae pag pao pap pat pba pbb pbd pbe pbg pbo pbp pbt pda pdb pdd pde pdg pdo pdp pdt pea peb ped pee peg peo pep pet pga pgb pgd pge pgg pgo pgp pgt poa pob pod poe pog poo pop pot ppa ppb ppd ppe ppg ppo ppp ppt pt- pta ptb ptd pte ptg pto ptp ptt taa tab tad tae tag tao tap tat tba tbb tbd tbe tbg tbo tbp tbt tda tdb tdd tde tdg tdo tdp tdt te- tea teb ted tee teg teo tep tet tga tgb tge tgg tgo tgp tgt to- toa tob tod toe tog too top tot tpa tpb tpd tpe tpg tpo tpp tpt tta ttb ttd tte ttg tto ttp ttt