-up a-a a-b a-c a-t aaa aab aac aae aan aap aas aat aau ab- aba abb abc abe abn abp abs abt abu ac- aca acb acc ace acn acp acs act acu aea aeb aec aee aen aep aes aet aeu an- ana anb anc ane ann anp ans ant anu ap- apa apb apc ape apn app aps apt apu as- asa asb asc ase asn asp ass ast asu at- ata atb atc ate atn atp ats att atu au- aua aub auc aue aun aup aus aut b-p b-u baa bab bac bae ban bap bas bat bau bba bbb bbc bbe bbn bbp bbs bbt bbu bca bcb bcc bce bcn bcp bcs bct bcu be- bea beb bec bee ben bep bes bet beu bna bnb bnc bne bnn bnp bns bnt bnu bpa bpb bpc bpe bpn bpp bps bpt bpu bsa bsb bsc bse bsn bsp bss bst bsu bta btb btc bte btn btp bts btt btu bua bub buc bue bun bup bus but buu c-- caa cab cac cae can cap cas cat cau cba cbb cbc cbe cbn cbp cbs cbt cbu cca ccb ccc cce ccn ccp ccs cct ccu ce- cea ceb cec cee cen cep ces cet ceu cn- cna cnb cnc cne cnn cnp cns cnt cnu cpa cpb cpc cpe cpn cpp cps cpt cpu csa csb csc cse csn csp css cst csu cta ctb ctc cte ctn ctp cts ctt ctu cua cub cuc cue cun cup cus cut cuu eaa eab eac eae ean eap eas eat eau eba ebb ebc ebe ebn ebp ebs ebt ebu ec- eca ecb ecc ece ecn ecs ect ecu eea eeb eec eee een eep ees eet en- ena enb enc ene enn enp ens ent enu ep- epa epb epc epe epn epp eps ept epu es- esa esb esc ese esn esp ess est esu eta etb etc ete etn etp ets ett etu eu- eua eub euc eue eun eup eus eut naa nab nac nae nan nap nas nat nau nba nbb nbc nbe nbn nbp nbs nbt nbu nca ncb ncc nce ncn ncp ncs nct ncu ne- nea neb nec nee nen nep nes net neu nna nnb nnc nne nnn nnp nns nnt nnu npa npb npc npe npn npp nps npt npu nsa nsb nsc nse nsn nsp nss nst nsu nta ntb ntc nte ntn ntp nts ntt ntu nua nub nuc nue nun nup nus nut nuu p-p paa pab pac pae pan pap pas pat pau pba pbb pbc pbe pbn pbp pbs pbt pbu pca pcb pcc pce pcn pcp pcs pct pcu pea peb pec pee pen pep pes pet peu pn- pna pnb pnc pne pnn pnp pns pnt pnu ppa ppb ppc ppe ppn ppp pps ppt ppu ps- psa psb psc pse psn psp pss pst psu pt- pta ptb ptc pte ptn ptp pts ptt ptu pua pub puc pue pun pup pus put puu saa sab sac sae san sap sas sat sau sba sbb sbc sbe sbn sbp sbs sbt sbu sca scb scc sce scn scp scs sct scu se- sea seb sec see sen sep ses set seu sna snb snc sne snn snp sns snt snu spa spb spc spe spn spp sps spt spu ss- ssa ssb ssc sse ssn ssp sss sst ssu sta stb stc ste stn stp sts stt stu sua sub suc sue sun sup sus sut suu taa tab tac tae tan tap tas tat tau tba tbb tbc tbe tbn tbp tbs tbt tbu tca tcb tcc tce tcn tcp tcs tct tcu te- tea teb tec tee ten tep tes tet teu tna tnb tnc tne tnn tnp tns tnt tpa tpb tpc tpe tpn tpp tps tpt tpu tsa tsb tsc tse tsn tsp tss tst tsu tta ttb ttc tte ttn ttp tts ttt ttu tua tub tuc tue tun tup tus tut tuu ua- uaa uab uac uae uan uap uas uat uau uba ubb ubc ube ubn ubp ubs ubt ubu uca ucb ucc uce ucn ucp ucs uct ucu uea ueb uec uee uen uep ues uet un- una unb unc une unn unp uns unt unu up- upa upb upc upe upn upp ups upt upu usa usb usc use usn usp uss ust usu uta utb utc ute utn utp uts utt utu uua uuc uue uun uus uut uuu