-th a-a a-b a-c a-t aaa aab aac aah aak aao aap aas aat ab- aba abb abc abh abk abo abp abs abt ac- aca acb acc ach ack aco acp acs act aha ahb ahc ahh ahk aho ahp ahs aht aka akb akc akh akk ako akp aks aoa aob aoc aoh aok aoo aop aos aot ap- apa apb apc aph apk apo app aps apt as- asa asb asc ash ask aso asp ass ast at- ata atb atc ath ato atp ats att b-p baa bab bac bah bak bao bap bas bat bba bbb bbc bbh bbk bbo bbp bbs bbt bca bcb bcc bch bck bco bcp bcs bct bha bhb bhc bhh bhk bho bhp bhs bht bka bkb bkc bkk bko bkp bks bkt boa bob boc boh bok boo bop bos bot bpa bpb bpc bph bpo bpp bps bpt bsa bsb bsc bsh bsk bso bsp bss bst bta btb btc bth btk bto btp bts btt c-- caa cab cac cah cak cao cap cas cat cba cbb cbc cbh cbk cbo cbp cbs cbt cca ccb ccc cch cck cco ccp ccs cct ch- cha chb chc chh chk cho chp chs cht cka ckb ckc ckh cko cks ckt co- coa cob coc coh cok coo cop cos cot cpa cpb cpc cph cpk cpo cpp cps cpt csa csb csc csh csk cso csp css cst cta ctb ctc cth ctk cto ctp cts ctt haa hab hac hah hak hao hap has hat hba hbb hbc hbh hbk hbo hbp hbs hbt hca hcb hcc hch hck hco hcp hcs hct hha hhb hhc hhh hhk hho hhp hhs hht hka hkb hkh hkk hko hkp hks hkt hoa hob hoc hoh hok hoo hop hos hot hpa hpb hpc hph hpk hpo hpp hps hpt hsa hsb hsc hsh hsk hsp hss hst hta htb htc hth htk hto htp hts htt k-t ka- kaa kab kac kah kak kao kap kas kat kba kbb kbc kbh kbk kbo kbp kbs kca kcb kcc kch kck kcp kcs kct kha khh khk kho khs kkb kkc kkh kkk kkp kks kkt koa kob koc koh kok koo kop kos kot kpa kpc kph kpk kpo kpp kps kpt ksa ksb ksc ksh ksk kso ksp kss kst kta ktb ktc kth ktk kto ktp kts ktt oaa oab oac oah oak oao oap oas oat ob- oba obb obc obh obk obo obp obs obt oc- oca ocb occ och ock oco ocp ocs oct oha ohc ohh oho ohp ohs oht oka okb okc okk oko okp oks oo- ooa oob ooc ooh ook ooo oop oos oot op- opa opb opc oph opk opo opp ops opt os- osa osb osc osh osk oso osp oss ost ot- ota otb otc oth otk oto otp ots ott p-p paa pab pac pah pak pao pap pas pat pba pbb pbc pbk pbo pbp pbs pbt pca pcb pcc pch pck pco pcp pcs pct pha phb phc phk pho php phs pht pka pkb pkc pko pkp pks pkt poa pob poc poh pok poo pop pos pot ppa ppb ppc pph ppk ppo ppp pps ppt ps- psa psb psc psh psk pso psp pss pst pt- pta ptb ptc pth ptk pto ptp pts ptt saa sab sac sah sak sao sap sas sat sba sbb sbc sbh sbk sbo sbp sbs sbt sca scb scc sch sck sco scp scs sct sh- sha shb shc shh shk sho shp shs sht sk- ska skb skc skh skk sko skp sks skt soa sob soc soh sok soo sop sos sot spa spb spc sph spk spo spp sps spt ss- ssa ssb ssc ssh ssk sso ssp sss sst sta stb stc sth stk sto stp sts stt taa tab tac tah tak tao tap tas tat tba tbb tbc tbh tbk tbo tbp tbs tbt tca tcb tcc tch tck tco tcp tcs tct th- tha thb thc thh thk tho thp ths tht tka tkb tkc tkk tko tkp tks tkt to- toa tob toc toh tok too top tos tot tpa tpb tpc tph tpk tpo tpp tps tpt tsa tsb tsc tsh tsk tso tsp tss tst tta ttb ttc tth ttk tto ttp tts ttt

a-ak a-ha a-ok aaaa aaab aaac aaah aaap aaas aaba aabb aabc aabh aabp aabt aaca aacb aacc aach aack aaco aacp aacs aact aaha aahk aahs aaka aaoo aapa aapc aaph aapo aaps aapt aasa aasc aass aast aata aatc aatk aatt abaa abab abac abak abap abas abat abb- abba abbb abbo abbs abbt abca abcb abcc abch abcp abcs abct abha abho abhs aboa abob aboh abok 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 acks 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 ahok ahop ahot ahsa ahso ahss ahta ahto ahts akaa akah akao akap akas akca akha akhs akka akko akok akos akot akpo aksa akst aoah aoba aoca aocs aokp aoks aopo aosp aoss aotc apac apah apak 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 asak asao asap asas asat asba asbo asc- asca ascb ascc asch asco ascp asct asha ashk ashp ashs asht aska asko asks askt asob asoc asok asop asos asot aspa aspc asph aspo asps aspt assa assc assh assk asso assp asss asst asta astb astc asto astp asts at-t ataa atab atac atak atap atas atat atbs atca atcc