-th a-a a-b a-t aaa aab aae aah aan aao aap aat ab- aba abb abe abh abn abo abp abt aea aeb aee aeh aen aeo aep aet aha ahb ahe ahh ahn aho ahp aht an- ana anb ane anh ann ano anp ant aoa aob aoe aoh aon aoo aop aot ap- apa apb ape aph apn apo app apt at- ata atb ate ath atn ato atp att b-p baa bab bae bah ban bao bap bat bba bbb bbe bbh bbn bbo bbp bbt be- bea beb bee beh ben beo bep bet bha bhb bhe bhh bho bhp bht bna bnb bne bnn bno bnp bnt boa bob boe boh bon boo bop bot bpa bpb bpe bph bpn bpo bpp bpt bta btb bte bth btn bto btp btt eaa eab eae eah ean eao eap eat eba ebb ebe ebh ebn ebo ebp ebt eea eeb eee een eeo eep eet eha ehb ehe ehh ehn eho ehp eht en- ena enb ene enh enn eno enp ent eo- eoa eob eoe eoh eon eoo eop eot ep- epa epb epe eph epn epo epp ept eta etb ete eth etn eto etp ett haa hab hae hah han hao hap hat hba hbb hbe hbh hbn hbo hbp hbt he- hea heb hee heh hen heo hep het hha hhb hhe hhh hhn hho hhp hht hna hnb hne hnh hnn hno hnt hoa hob hoe hoh hon hoo hop hot hpa hpb hpe hph hpn hpo hpp hpt hta htb hte hth htn hto htp htt naa nab nae nah nan nao nap nat nba nbb nbe nbn nbo nbp nbt ne- nea neb nee neh nen neo nep net nha nhb nhe nhh nhn nhp nht nna nnb nne nnh nnn nno nnp nnt no- noa nob noe noh non noo nop not npa npb npe nph npn npo npp npt nta ntb nte nth ntn nto ntp ntt oaa oab oae oah oan oao oap oat ob- oba obb obe obh obn obo obp obt oea oeb oee oeh oen oeo oep oet oha ohe ohh ohn oho ohp oht on- ona onb one onh onn ono onp ont oo- ooa oob ooh oon ooo oop oot op- opa opb ope oph opn opo opp opt ot- ota otb ote oth otn oto otp ott p-p paa pab pae pah pan pao pap pat pba pbb pbe pbn pbo pbp pbt pea peb pee peh pen peo pep pet pha phb phe phn pho php pht pn- pna pnb pne pnh pnn pno pnp pnt poa pob poe poh pon poo pop pot ppa ppb ppe pph ppn ppo ppp ppt pt- pta ptb pte pth ptn pto ptp ptt taa tab tae tah tan tao tap tat tba tbb tbe tbh tbn tbo tbp tbt te- tea teb tee teh ten teo tep tet th- tha thb the thh thn tho thp tht tna tnb tne tnh tnn tno tnp tnt to- toa tob toe toh ton too top tot tpa tpb tpe tph tpn tpo tpp tpt tta ttb tte tth ttn tto ttp ttt