-up a-a a-b a-t aaa aab aad aan aap aas aat aau ab- aba abb abd abn abp abs abt abu ad- ada adb add adn adp ads adt adu an- ana anb and ann anp ans ant anu ap- apa apb apd apn app aps apt apu as- asa asb asd asn asp ass ast asu at- ata atb atd atn atp ats att atu au- aua aub aud aun aup aus aut b-p b-u baa bab bad ban bap bas bat bau bba bbb bbd bbn bbp bbs bbt bbu bda bdb bdd bdp bds bdt bdu bna bnb bnd bnn bnp bns bnt bnu bpa bpb bpd bpn bpp bps bpt bpu bsa bsb bsd bsn bsp bss bst bsu bta btb btd btn btp bts btt btu bua bub bud bun bup bus but buu daa dab dad dan dap das dat dau dba dbb dbd dbn dbp dbs dbt dbu dda ddb ddd ddn ddp dds ddt ddu dna dnb dnd dnn dnp dns dnt dpa dpb dpd dpn dpp dps dpt dpu dsa dsb dsd dsn dsp dss dst dsu dta dtb dtd dtn dtp dts dtt dtu dua dub dud dun dup dus dut naa nab nad nan nap nas nat nau nba nbb nbd nbn nbp nbs nbt nbu nda ndb ndd ndn ndp nds ndt ndu nna nnb nnn nnp nns nnt nnu npa npb npd npn npp nps npt npu nsa nsb nsd nsn nsp nss nst nsu nta ntb ntd ntn ntp nts ntt ntu nua nub nud nun nup nus nut nuu p-p paa pab pad pan pap pas pat pau pba pbb pbd pbn pbp pbs pbt pbu pda pdb pdd pdn pdp pds pdt pdu pn- pna pnb pnd pnn pnp pns pnt pnu ppa ppb ppd ppn ppp pps ppt ppu ps- psa psb psd psn psp pss pst psu pt- pta ptb ptd ptn ptp pts ptt ptu pua pub pud pun pup pus put puu saa sab sad san sap sas sat sau sba sbb sbd sbn sbp sbs sbt sbu sda sdb sdd sdn sdp sds sdt sdu sna snb snd snn snp sns snt snu spa spb spd spn spp sps spt spu ss- ssa ssb ssd ssn ssp sss sst ssu sta stb std stn stp sts stt stu sua sub sud sun sup sus sut suu taa tab tad tan tap tas tat tau tba tbb tbd tbn tbp tbs tbt tbu tda tdb tdd tdn tdp tds tdt tdu tna tnb tnd tnn tnp tns tnt tpa tpb tpd tpn tpp tps tpt tpu tsa tsb tsd tsn tsp tss tst tsu tta ttb ttd ttn ttp tts ttt ttu tua tub tud tun tup tus tut tuu ua- uaa uab uad uan uap uas uat uau uba ubb ubn ubp ubs ubt ubu uda udb udd udn udp uds udt udu un- una unb und unn unp uns unt unu up- upa upb upd upn upp ups upt upu usa usb usd usn usp uss ust usu uta utb utd utn utp uts utt utu uua uun uus uut uuu