-th a-a a-b a-c a-t aaa aab aac aae aah aak aan aao aap aat ab- aba abb abc abe abh abk abn abo abp abt ac- aca acb acc ace ach ack acn aco acp act aea aeb aec aee aeh aek aen aeo aep aet aha ahb ahc ahe ahh ahk ahn aho ahp aht aka akb akc ake akh akk akn ako akp an- ana anb anc ane anh ank ann ano anp ant aoa aob aoc aoe aoh aok aon aoo aop aot ap- apa apb apc ape aph apk apn apo app apt at- ata atb atc ate ath atn ato atp att b-p baa bab bac bae bah bak ban bao bap bat bba bbb bbc bbe bbh bbk bbn bbo bbp bbt bca bcb bcc bce bch bck bcn bco bcp bct be- bea beb bec bee beh bek ben beo bep bet bha bhb bhc bhe bhh bhk bho bhp bht bka bkb bkc bke bkk bkn bko bkp bkt bna bnb bnc bne bnk bnn bno bnp bnt boa bob boc boe boh bok bon boo bop bot bpa bpb bpc bpe bph bpn bpo bpp bpt bta btb btc bte bth btk btn bto btp btt c-- caa cab cac cae cah cak can cao cap cat cba cbb cbc cbe cbh cbk cbn cbo cbp cbt cca ccb ccc cce cch cck ccn cco ccp cct ce- cea ceb cec cee ceh cek cen ceo cep cet ch- cha chb chc che chh chk chn cho chp cht cka ckb ckc ckh cko ckt cn- cna cnb cnc cne cnh cnn cno cnp cnt co- coa cob coc coe coh cok con coo cop cot cpa cpb cpc cpe cph cpk cpn cpo cpp cpt cta ctb ctc cte cth ctk ctn cto ctp ctt eaa eab eac eae eah eak ean eao eap eat eba ebb ebc ebe ebh ebk ebn ebo ebp ebt ec- eca ecb ecc ece ech eck ecn eco ect eea eeb eec eee eek een eeo eep eet eha ehb ehc ehe ehh ehn eho ehp eht eka ekb ekc eke ekh eko ekp ekt en- ena enb enc ene enh enk enn eno enp ent eo- eoa eob eoc eoe eoh eok eon eoo eop eot ep- epa epb epc epe eph epn epo epp ept eta etb etc ete eth etk etn eto etp ett haa hab hac hae hah hak han hao hap hat hba hbb hbc hbe hbh hbk hbn hbo hbp hbt hca hcb hcc hce hch hck hcn hco hcp hct he- hea heb hec hee heh hek hen heo hep het hha hhb hhc hhe hhh hhk hhn hho hhp hht hka hkb hkh hkk hkn hko hkp hkt hna hnb hnc hne hnh hnk hnn hno hnt hoa hob hoc hoe hoh hok hon hoo hop hot hpa hpb hpc hpe hph hpk hpn hpo hpp hpt hta htb htc hte hth htk htn hto htp htt k-t ka- kaa kab kac kae kah kak kan kao kap kat kba kbb kbc kbe kbh kbk kbn kbo kbp kca kcb kcc kce kch kck kcn kcp kct ke- kea keb kec kee keh kek ken keo kep ket kha khe khh khk khn kho kkb kkc kke kkh kkk kkn kkp kkt kn- kna knc kne knk knn kno knp knt koa kob koc koe koh kok kon koo kop kot kpa kpc kpe kph kpk kpn kpo kpp kpt kta ktb ktc kte kth ktk ktn kto ktp ktt naa nab nac nae nah nak nan nao nap nat nba nbb nbc nbe nbk nbn nbo nbp nbt nca ncb ncc nce nch nck ncn nco ncp nct ne- nea neb nec nee neh nek nen neo nep net nha nhb nhc nhe nhh nhk nhn nhp nht nka nkc nke nkk nkn nko nkp nkt nna nnb nnc nne nnh nnk nnn nno nnp nnt no- noa nob noc noe noh nok non noo nop not npa npb npc npe nph npn npo npp npt nta ntb ntc nte nth ntk ntn nto ntp ntt oaa oab oac oae oah oak oan oao oap oat ob- oba obb obc obe obh obk obn obo obp obt oc- oca ocb occ och ock ocn oco ocp oct oea oeb oec oee oeh oen oeo oep oet oha ohc ohe ohh ohn oho ohp oht oka okb okc oke okk oko okp on- ona onb onc one onh onk onn ono onp ont oo- ooa oob ooc ooh ook oon ooo oop oot op- opa opb opc ope oph opk opn opo opp opt ot- ota otb otc ote oth otk otn oto otp ott p-p paa pab pac pae pah pak pan pao pap pat pba pbb pbc pbe pbk pbn pbo pbp pbt pca pcb pcc pce pch pck pcn pco pcp pct pea peb pec pee peh pek pen peo pep pet pha phb phc phe phk phn pho php pht pka pkb pkc pke pkn pko pkp pkt pn- pna pnb pnc pne pnh pnk pnn pno pnp pnt poa pob poc poe poh pok pon poo pop pot ppa ppb ppc ppe pph ppk ppn ppo ppp ppt pt- pta ptb ptc pte pth ptk ptn pto ptp ptt taa tab tac tae tah tak tan tao tap tat tba tbb tbc tbe tbh tbk tbn tbo tbp tbt tca tcb tcc tce tch tck tcn tco tcp tct te- tea teb tec tee teh tek ten teo tep tet th- tha thb thc the thh thk thn tho thp tht tka tkb tkc tke tkk tko tkp tkt tna tnb tnc tne tnh tnk tnn tno tnp tnt to- toa tob toc toe toh tok ton too top tot tpa tpb tpc tpe tph tpk tpn tpo tpp tpt tta ttb ttc tte tth ttk ttn tto ttp ttt