-up a-a a-b a-c a-t aaa aab aac aam aao aap aas aat aau ab- aba abb abc abm abo abp abs abt abu ac- aca acb acc acm aco acp acs act acu ama amb amc amm amo amp ams amt amu aoa aob aoc aom aoo aop aos aot aou ap- apa apb apc apm apo app aps apt apu as- asa asb asc asm aso asp ass ast asu at- ata atb atc atm ato atp ats att atu au- aua aub auc aum auo aup aus aut b-p b-u baa bab bac bam bao bap bas bat bau bba bbb bbc bbm bbo bbp bbs bbt bbu bca bcb bcc bcm bco bcp bcs bct bcu bma bmb bmc bmm bmo bmp bms bmt bmu boa bob boc bom boo bop bos bot bou bpa bpb bpc bpm bpo bpp bps bpt bpu bsa bsb bsc bsm bso bsp bss bst bsu bta btb btc btm bto btp bts btt btu bua bub buc bum buo bup bus but buu c-- caa cab cac cam cao cap cas cat cau cba cbb cbc cbm cbo cbp cbs cbt cbu cca ccb ccc ccm cco ccp ccs cct ccu cma cmb cmc cmm cmo cmp cms cmt cmu co- coa cob coc com coo cop cos cot cou cpa cpb cpc cpm cpo cpp cps cpt cpu csa csb csc csm cso csp css cst csu cta ctb ctc ctm cto ctp cts ctt ctu cua cub cuc cum cuo cup cus cut cuu m-o maa mab mac mam mao map mas mat mau mba mbb mbc mbm mbo mbp mbs mbt mbu mc- mca mcb mcc mcm mco mcp mcs mct mcu mma mmb mmc mmm mmo mmp mms mmt mmu moa mob moc mom moo mop mos mot mou mpa mpb mpc mpm mpo mpp mps mpt mpu msa msb msc msm mso msp mss mst msu mta mtb mtc mtm mto mtp mts mtt mtu mua mub muc mum mup mus mut muu oaa oab oac oam oao oap oas oat oau ob- oba obb obc obm obo obp obs obt obu oc- oca ocb occ ocm oco ocp ocs oct ocu om- oma omb omc omm omo omp oms omt omu oo- ooa oob ooc oom ooo oop oos oot op- opa opb opc opm opo opp ops opt os- osa osb osc osm oso osp oss ost osu ot- ota otb otc otm oto otp ots ott otu ou- oua ouc oum ouo oup ous out p-p paa pab pac pam pao pap pas pat pau pba pbb pbc pbm pbo pbp pbs pbt pbu pca pcb pcc pcm pco pcp pcs pct pcu pma pmb pmc pmm pmo pmp pms pmt pmu poa pob poc pom poo pop pos pot pou ppa ppb ppc ppm ppo ppp pps ppt ppu ps- psa psb psc psm pso psp pss pst psu pt- pta ptb ptc ptm pto ptp pts ptt ptu pua pub puc pum pup pus put puu saa sab sac sam sao sap sas sat sau sba sbb sbc sbm sbo sbp sbs sbt sbu sca scb scc scm sco scp scs sct scu sma smb smc smm smo smp sms smt smu soa sob soc som soo sop sos sot sou spa spb spc spm spo spp sps spt spu ss- ssa ssb ssc ssm sso ssp sss sst ssu sta stb stc stm sto stp sts stt stu sua sub suc sum suo sup sus sut suu taa tab tac tam tao tap tas tat tau tba tbb tbc tbm tbo tbp tbs tbt tbu tca tcb tcc tcm tco tcp tcs tct tcu tma tmb tmc tmm tmo tmp tms tmt tmu to- toa tob toc tom too top tos tot tou tpa tpb tpc tpm tpo tpp tps tpt tpu tsa tsb tsc tsm tso tsp tss tst tsu tta ttb ttc ttm tto ttp tts ttt ttu tua tub tuc tum tuo tup tus tut tuu ua- uaa uab uac uam uao uap uas uat uau uba ubb ubc ubo ubp ubs ubt ubu uca ucb ucc ucm uco ucp ucs uct ucu um- uma umb umc umm umo ump ums umt umu uoa uob uoc uom uoo uop uos uot up- upa upb upc upm upo upp ups upt upu usa usb usc usm uso usp uss ust usu uta utb utc utm uto utp uts utt utu uua uuc uum uus uut uuu

-ous aaaa aaab aaac aaam aaap aaas aaba aabb aabc aabm aabp aabt aaca aacb aacc aacm aaco aacp aacs aact aacu aama aamb aamc aamo aamp aams aaoo aapa aapc aapm aapo aaps aapt aasa aasc aasm aass aast aasu aata aatc aatt aaup aaus abaa abab abac abam abap abas abat abau abb- abba abbb abbo abbs abbt abca abcb abcc abcp abcs abct abma abmb abmc abms abmt aboa abob aboo abos abot abou abpa abpc abpm abpp abps abs- absa absp abss absu abta abts abtu abua abum abus abut ac-t acaa acab acac acap acas acat acba acca accc accm acco accp accs acct accu acma acmc acmp acms acmu acoa acom acop acos acot acou acpa acpm acps acpt acpu acsa acsc acsm acss acst acta actc acto acts actt actu acu- acum acuo acup acus acut amaa amac amam amap amas amat amb- amba ambo ambs ambu amca amcc amco amcs amm- amma ammo ammu amob amoc amoo amos amot amou ampa ampc ampm ampo amps ampt amsa amsc amso amss amst amta amtc amto amtp amts amua amum aoba aoca aocs aoma aopo aosp aoss aotc aous aout apac apam apao apap apas apat apba apbs apca apcb apcc apcm apco apcs apma apo- apoc apom apoo apop apos apot apou appa appc apps appt appu apsa apso apss apsu apta aptc apts aptt apua apuc apum apup apus asaa asab asac asam asao asap asas asat asau asba asbm asbo asbu