-th a-a a-c a-t aaa aac aae aaf aah aak aao aap aat ac- aca acc ace acf ach ack aco acp act aea aec aee aef aeh aek aeo aep aet af- afa afc afe aff afh afk afo afp aft aha ahc ahe ahf ahh ahk aho ahp aht aka akc ake akh akk ako akp aoa aoc aoe aof aoh aok aoo aop aot ap- apa apc ape apf aph apk apo app apt at- ata atc ate atf ath ato atp att c-- caa cac cae caf cah cak cao cap cat cca ccc cce ccf cch cck cco ccp cct ce- cea cec cee cef ceh cek ceo cep cet cfa cfc cfe cff cfh cfk cfo cfp cft ch- cha chc che chf chh chk cho chp cht cka ckc ckh cko ckt co- coa coc coe cof coh cok coo cop cot cpa cpc cpe cpf cph cpk cpo cpp cpt cta ctc cte ctf cth ctk cto ctp ctt eaa eac eae eaf eah eak eao eap eat ec- eca ecc ece ecf ech eck eco ect eea eec eee eef eek eeo eep eet ef- efa efc efe eff efh efo efp eft eha ehc ehe ehf ehh eho ehp eht eka ekc eke ekf ekh eko ekp ekt eo- eoa eoc eoe eof eoh eok eoo eop eot ep- epa epc epe epf eph epo epp ept eta etc ete etf eth etk eto etp ett faa fac fae faf fah fak fao fap fat fca fcc fce fcf fck fco fcp fct fea fec fee fef feh fek feo fep fet ffa ffc ffe fff ffh ffk ffo ffp fft fha fhc fhe fhf fhh fho fhp fka fkc fkf fkk fkp fkt foa foc foe fof foh fok foo fop fot fpa fpc fpe fph fpk fpo fpp fpt fta ftc fte ftf fth ftk fto ftp ftt haa hac hae haf hah hak hao hap hat hca hcc hce hcf hch hck hco hcp hct he- hea hec hee hef heh hek heo hep het hfa hfc hfe hff hfh hfk hfo hfp hft hha hhc hhe hhf hhh hhk hho hhp hht hka hkf hkh hkk hko hkp hkt hoa hoc hoe hof hoh hok hoo hop hot hpa hpc hpe hpf hph hpk hpo hpp hpt hta htc hte htf hth htk hto htp htt k-t ka- kaa kac kae kaf kah kak kao kap kat kca kcc kce kch kck kcp kct ke- kea kec kee kef keh kek keo kep ket kfa kfc kff kfh kfo kha khe khf khh khk kho kkc kke kkh kkk kkp kkt koa koc koe kof koh kok koo kop kot kpa kpc kpe kpf kph kpk kpo kpp kpt kta ktc kte ktf kth ktk kto ktp ktt oaa oac oae oaf oah oak oao oap oat oc- oca occ ocf och ock oco ocp oct oea oec oee oef oeh oeo oep oet of- ofa ofc ofe off ofo ofp oft oha ohc ohe ohf ohh oho ohp oht oka okc oke okk oko okp oo- ooa ooc oof ooh ook ooo oop oot op- opa opc ope opf oph opk opo opp opt ot- ota otc ote otf oth otk oto otp ott p-p paa pac pae paf pah pak pao pap pat pca pcc pce pcf pch pck pco pcp pct pea pec pee pef peh pek peo pep pet pfa pfc pfe pff pfk pfo pfp pft pha phc phe phf phk pho php pht pka pkc pke pkf pko pkp pkt poa poc poe pof poh pok poo pop pot ppa ppc ppe ppf pph ppk ppo ppp ppt pt- pta ptc pte ptf pth ptk pto ptp ptt taa tac tae taf tah tak tao tap tat tca tcc tce tcf tch tck tco tcp tct te- tea tec tee tef teh tek teo tep tet tfa tfc tfe tff tfh tfk tfo tfp tft th- tha thc the thf thh thk tho thp tht tka tkc tke tkk tko tkp tkt to- toa toc toe tof toh tok too top tot tpa tpc tpe tpf tph tpk tpo tpp tpt tta ttc tte ttf tth ttk tto ttp ttt