-th a-a a-b a-t aaa aab aae aah aan aao aap aas aat ab- aba abb abe abh abn abo abp abs abt aea aeb aee aeh aen aeo aep aes aet aha ahb ahe ahh ahn aho ahp ahs aht an- ana anb ane anh ann ano anp ans ant aoa aob aoe aoh aon aoo aop aos aot ap- apa apb ape aph apn apo app aps apt as- asa asb ase ash asn aso asp ass ast at- ata atb ate ath atn ato atp ats att b-p baa bab bae bah ban bao bap bas bat bba bbb bbe bbh bbn bbo bbp bbs bbt be- bea beb bee beh ben beo bep bes bet bha bhb bhe bhh bho bhp bhs bht bna bnb bne bnn bno bnp bns bnt boa bob boe boh bon boo bop bos bot bpa bpb bpe bph bpn bpo bpp bps bpt bsa bsb bse bsh bsn bso bsp bss bst bta btb bte bth btn bto btp bts btt eaa eab eae eah ean eao eap eas eat eba ebb ebe ebh ebn ebo ebp ebs ebt eea eeb eee een eeo eep ees eet eha ehb ehe ehh ehn eho ehp ehs eht en- ena enb ene enh enn eno enp ens ent eo- eoa eob eoe eoh eon eoo eop eos eot ep- epa epb epe eph epn epo epp eps ept es- esa esb ese esh esn eso esp ess est eta etb ete eth etn eto etp ets ett haa hab hae hah han hao hap has hat hba hbb hbe hbh hbn hbo hbp hbs hbt he- hea heb hee heh hen heo hep hes het hha hhb hhe hhh hhn hho hhp hhs hht hna hnb hne hnh hnn hno hns hnt hoa hob hoe hoh hon hoo hop hos hot hpa hpb hpe hph hpn hpo hpp hps hpt hsa hsb hse hsh hsn hsp hss hst hta htb hte hth htn hto htp hts htt naa nab nae nah nan nao nap nas nat nba nbb nbe nbn nbo nbp nbs nbt ne- nea neb nee neh nen neo nep nes net nha nhb nhe nhh nhn nhp nhs nht nna nnb nne nnh nnn nno nnp nns nnt no- noa nob noe noh non noo nop nos not npa npb npe nph npn npo npp nps npt nsa nsb nse nsh nsn nso nsp nss nst nta ntb nte nth ntn nto ntp nts ntt oaa oab oae oah oan oao oap oas oat ob- oba obb obe obh obn obo obp obs obt oea oeb oee oeh oen oeo oep oes oet oha ohe ohh ohn oho ohp ohs oht on- ona onb one onh onn ono onp ons ont oo- ooa oob ooh oon ooo oop oos oot op- opa opb ope oph opn opo opp ops opt os- osa osb ose osh osn oso osp oss ost ot- ota otb ote oth otn oto otp ots ott p-p paa pab pae pah pan pao pap pas pat pba pbb pbe pbn pbo pbp pbs pbt pea peb pee peh pen peo pep pes pet pha phb phe phn pho php phs pht pn- pna pnb pne pnh pnn pno pnp pns pnt poa pob poe poh pon poo pop pos pot ppa ppb ppe pph ppn ppo ppp pps ppt ps- psa psb pse psh psn pso psp pss pst pt- pta ptb pte pth ptn pto ptp pts ptt saa sab sae sah san sao sap sas sat sba sbb sbe sbh sbn sbo sbp sbs sbt se- sea seb see seh sen seo sep ses set sh- sha shb she shh shn sho shp shs sht sna snb sne snn sno snp sns snt soa sob soe soh son soo sop sos sot spa spb spe sph spn spo spp sps spt ss- ssa ssb sse ssh ssn sso ssp sss sst sta stb ste sth stn sto stp sts stt taa tab tae tah tan tao tap tas tat tba tbb tbe tbh tbn tbo tbp tbs tbt te- tea teb tee teh ten teo tep tes tet th- tha thb the thh thn tho thp ths tht tna tnb tne tnh tnn tno tnp tns tnt to- toa tob toe toh ton too top tos tot tpa tpb tpe tph tpn tpo tpp tps tpt tsa tsb tse tsh tsn tso tsp tss tst tta ttb tte tth ttn tto ttp tts ttt