-th a-a a-b a-c a-t aaa aab aac aah aao aap aas aat ab- aba abb abc abh abo abp abs abt ac- aca acb acc ach aco acp acs act aha ahb ahc ahh aho ahp ahs aht aoa aob aoc aoh aoo aop aos aot ap- apa apb apc aph apo app aps apt as- asa asb asc ash aso asp ass ast at- ata atb atc ath ato atp ats att b-p baa bab bac bah bao bap bas bat bba bbb bbc bbh bbo bbp bbs bbt bca bcb bcc bch bco bcp bcs bct bha bhb bhc bhh bho bhp bhs bht boa bob boc boh boo bop bos bot bpa bpb bpc bph bpo bpp bps bpt bsa bsb bsc bsh bso bsp bss bst bta btb btc bth bto btp bts btt c-- caa cab cac cah cao cap cas cat cba cbb cbc cbh cbo cbp cbs cbt cca ccb ccc cch cco ccp ccs cct ch- cha chb chc chh cho chp chs cht co- coa cob coc coh coo cop cos cot cpa cpb cpc cph cpo cpp cps cpt csa csb csc csh cso csp css cst cta ctb ctc cth cto ctp cts ctt haa hab hac hah hao hap has hat hba hbb hbc hbh hbo hbp hbs hbt hca hcb hcc hch hco hcp hcs hct hha hhb hhc hhh hho hhp hhs hht hoa hob hoc hoh hoo hop hos hot hpa hpb hpc hph hpo hpp hps hpt hsa hsb hsc hsh hsp hss hst hta htb htc hth hto htp hts htt oaa oab oac oah oao oap oas oat ob- oba obb obc obh obo obp obs obt oc- oca ocb occ och oco ocp ocs oct oha ohc ohh oho ohp ohs oht oo- ooa oob ooc ooh ooo oop oos oot op- opa opb opc oph opo opp ops opt os- osa osb osc osh oso osp oss ost ot- ota otb otc oth oto otp ots ott p-p paa pab pac pah pao pap pas pat pba pbb pbc pbo pbp pbs pbt pca pcb pcc pch pco pcp pcs pct pha phb phc pho php phs pht poa pob poc poh poo pop pos pot ppa ppb ppc pph ppo ppp pps ppt ps- psa psb psc psh pso psp pss pst pt- pta ptb ptc pth pto ptp pts ptt saa sab sac sah sao sap sas sat sba sbb sbc sbh sbo sbp sbs sbt sca scb scc sch sco scp scs sct sh- sha shb shc shh sho shp shs sht soa sob soc soh soo sop sos sot spa spb spc sph spo spp sps spt ss- ssa ssb ssc ssh sso ssp sss sst sta stb stc sth sto stp sts stt taa tab tac tah tao tap tas tat tba tbb tbc tbh tbo tbp tbs tbt tca tcb tcc tch tco tcp tcs tct th- tha thb thc thh tho thp ths tht to- toa tob toc toh too top tos tot tpa tpb tpc tph tpo tpp tps tpt tsa tsb tsc tsh tso tsp tss tst tta ttb ttc tth tto ttp tts ttt

a-ha aaaa aaab aaac aaah aaap aaas aaba aabb aabc aabh aabp aabt aaca aacb aacc aach aaco aacp aacs aact aaha aahs aaoo aapa aapc aaph aapo aaps aapt aasa aasc aass aast aata aatc aatt abaa abab abac abap abas abat abb- abba abbb abbo abbs abbt abca abcb abcc abch abcp abcs abct abha abho abhs aboa abob aboh aboo abos abot abpa abpc abpp abps abs- absa absp abss abta abts ac-t acaa acab acac acap acas acat acba acca accc acch acco accp accs acct acha achh acho achp achs acht acoa acoh acop acos acot acpa acps acpt acsa acsc acss acst acta actc acth acto acts actt ahab ahac ahah ahas ahat ahha ahhs ahoa ahop ahot ahsa ahso ahss ahta ahto ahts aoah aoba aoca aocs aopo aosp aoss aotc apac apah apao apap apas apat apba apbs apca apcb apcc apco apcs aph- apha aphc aphs apo- apoc apoo apop apos apot appa appc apph apps appt apsa apso apss apta aptc apts aptt asaa asab asac asah asao asap asas asat asba asbo asc- asca ascb ascc asch asco ascp asct asha ashp ashs asht asob asoc asop asos asot aspa aspc asph aspo asps aspt assa assc assh asso assp asss asst asta astb astc asto astp asts at-t ataa atab atac atap atas atat atbs atca atcc atch atco atcs atha atho aths atob atoc atop atos atot atsb atsc atst atta atto attp atts baaa baah baas baat baba babb babo babs bac- baca bacc bach baco bacs bact baha baho bahs baht baoh baos bapa bapc bapp baps bapt basa basc bash baso bass bast bata batc bath bato bats batt bbas bbbb bbbs bbch bbhs bcaa bcap bcas bcat bcbc bcbp bcbs bcca bccc bccs bchs bcos bcpp bcps bcsa bcsc bcss bctc bcts bhao bhat bhca bhcc bhhs bhot boab boac boas boat boba bobb bobo bobs boca boch boco bocs boha boho bohs boht boob booc booh boop boos boot bopa bopp bops bosa bosc bosh boso boss bost bota botb both boto bots bott bpcp bphc bphs bpot bpsa bsaa bsac bsap bsas bsat bscp bscs bshs bsos bspp bssc bsts btaa btbp btcc btcs bths btob btps btss bttb c-bo caaa caab caac caah caap caas caat caba cabo cabs cac- caca cacc cach caco caha cahs caht caos capa capb capc caph capo capp caps capt casa casb casc cash caso casp cass cast cat- cata catb catc cath cato cats catt cbac cbat cbbc cbbs cbca cbcc cbcp cbcs cbct cbha cbhs cbot cbpc cbpp cbsa cbsc cbta cbtc ccaa ccab ccac ccap ccas ccat ccba ccbc ccca cccb cccc cccp cccs ccha cchp cchs ccob ccoc ccpa ccpp ccps ccsa ccsp ccss ccst