-th a-a a-b a-c a-t aaa aab aac aae aah aan aap aat ab- aba abb abc abe abh abn abp abt ac- aca acb acc ace ach acn acp act aea aeb aec aee aeh aen aep aet aha ahb ahc ahe ahh ahn ahp aht an- ana anb anc ane anh ann anp ant ap- apa apb apc ape aph apn app apt at- ata atb atc ate ath atn atp att b-p baa bab bac bae bah ban bap bat bba bbb bbc bbe bbh bbn bbp bbt bca bcb bcc bce bch bcn bcp bct be- bea beb bec bee beh ben bep bet bha bhb bhc bhe bhh bhp bht bna bnb bnc bne bnn bnp bnt bpa bpb bpc bpe bph bpn bpp bpt bta btb btc bte bth btn btp btt c-- caa cab cac cae cah can cap cat cba cbb cbc cbe cbh cbn cbp cbt cca ccb ccc cce cch ccn ccp cct ce- cea ceb cec cee ceh cen cep cet ch- cha chb chc che chh chn chp cht cn- cna cnb cnc cne cnh cnn cnp cnt cpa cpb cpc cpe cph cpn cpp cpt cta ctb ctc cte cth ctn ctp ctt eaa eab eac eae eah ean eap eat eba ebb ebc ebe ebh ebn ebp ebt ec- eca ecb ecc ece ech ecn ect eea eeb eec eee een eep eet eha ehb ehc ehe ehh ehn ehp eht en- ena enb enc ene enh enn enp ent ep- epa epb epc epe eph epn epp ept eta etb etc ete eth etn etp ett haa hab hac hae hah han hap hat hba hbb hbc hbe hbh hbn hbp hbt hca hcb hcc hce hch hcn hcp hct he- hea heb hec hee heh hen hep het hha hhb hhc hhe hhh hhn hhp hht hna hnb hnc hne hnh hnn hnt hpa hpb hpc hpe hph hpn hpp hpt hta htb htc hte hth htn htp htt naa nab nac nae nah nan nap nat nba nbb nbc nbe nbn nbp nbt nca ncb ncc nce nch ncn ncp nct ne- nea neb nec nee neh nen nep net nha nhb nhc nhe nhh nhn nhp nht nna nnb nnc nne nnh nnn nnp nnt npa npb npc npe nph npn npp npt nta ntb ntc nte nth ntn ntp ntt p-p paa pab pac pae pah pan pap pat pba pbb pbc pbe pbn pbp pbt pca pcb pcc pce pch pcn pcp pct pea peb pec pee peh pen pep pet pha phb phc phe phn php pht pn- pna pnb pnc pne pnh pnn pnp pnt ppa ppb ppc ppe pph ppn ppp ppt pt- pta ptb ptc pte pth ptn ptp ptt taa tab tac tae tah tan tap tat tba tbb tbc tbe tbh tbn tbp tbt tca tcb tcc tce tch tcn tcp tct te- tea teb tec tee teh ten tep tet th- tha thb thc the thh thn thp tht tna tnb tnc tne tnh tnn tnp tnt tpa tpb tpc tpe tph tpn tpp tpt tta ttb ttc tte tth ttn ttp ttt