-up a-a a-b a-t aaa aab aad aao aap aar aas aat aau ab- aba abb abd abo abp abr abs abt abu ad- ada adb add ado adp adr ads adt adu aoa aob aod aoo aop aor aos aot aou ap- apa apb apd apo app apr aps apt apu ar- ara arb ard aro arp arr ars art aru as- asa asb asd aso asp asr ass ast asu at- ata atb atd ato atp atr ats att atu au- aua aub aud auo aup aur aus aut b-p b-u baa bab bad bao bap bar bas bat bau bba bbb bbd bbo bbp bbr bbs bbt bbu bda bdb bdd bdo bdp bdr bds bdt bdu boa bob bod boo bop bor bos bot bou bpa bpb bpd bpo bpp bpr bps bpt bpu bra brb brd bro brp brr brs brt bru bsa bsb bsd bso bsp bsr bss bst bsu bta btb btd bto btp btr bts btt btu bua bub bud buo bup bur bus but buu daa dab dad dao dap dar das dat dau dba dbb dbd dbo dbp dbr dbs dbt dbu dda ddb ddd ddo ddp ddr dds ddt ddu doa dob dod doo dop dor dos dot dou dpa dpb dpd dpo dpp dpr dps dpt dpu dra drb drd dro drp drr drs drt dru dsa dsb dsd dso dsp dsr dss dst dsu dta dtb dtd dto dtp dtr dts dtt dtu dua dub dud duo dup dur dus dut oaa oab oad oao oap oar oas oat oau ob- oba obb obd obo obp obr obs obt obu oda odb odd odo odp odr ods odt odu oo- ooa oob ood ooo oop oor oos oot op- opa opb opd opo opp opr ops opt or- ora orb ord oro orp orr ors ort oru os- osa osb osd oso osp osr oss ost osu ot- ota otb otd oto otp otr ots ott otu ou- oua oud ouo oup our ous out p-p paa pab pad pao pap par pas pat pau pba pbb pbd pbo pbp pbr pbs pbt pbu pda pdb pdd pdo pdp pdr pds pdt pdu poa pob pod poo pop por pos pot pou ppa ppb ppd ppo ppp ppr pps ppt ppu pra prb prd pro prp prr prs prt pru ps- psa psb psd pso psp psr pss pst psu pt- pta ptb ptd pto ptp ptr pts ptt ptu pua pub pud pup pur pus put puu ra- raa rab rad rao rap rar ras rat rau rba rbb rbd rbo rbp rbr rbs rbt rbu rda rdb rdd rdo rdp rdr rds rdt rdu roa rob rod roo rop ror ros rot rou rpa rpb rpd rpo rpp rpr rps rpt rpu rra rrb rrd rrp rrr rrs rrt rru rsa rsb rsd rso rsp rsr rss rst rsu rta rtb rtd rto rtp rtr rts rtt rtu rua rub rud ruo rup rur rus rut ruu saa sab sad sao sap sar sas sat sau sba sbb sbd sbo sbp sbr sbs sbt sbu sda sdb sdd sdo sdp sdr sds sdt sdu soa sob sod soo sop sor sos sot sou spa spb spd spo spp spr sps spt spu sr- sra srb srd sro srp srr srs srt ss- ssa ssb ssd sso ssp ssr sss sst ssu sta stb std sto stp str sts stt stu sua sub sud suo sup sur sus sut suu taa tab tad tao tap tar tas tat tau tba tbb tbd tbo tbp tbr tbs tbt tbu tda tdb tdd tdo tdp tdr tds tdt tdu to- toa tob tod too top tor tos tot tou tpa tpb tpd tpo tpp tpr tps tpt tpu tra trb trd tro trp trr trs trt tru tsa tsb tsd tso tsp tsr tss tst tsu tta ttb ttd tto ttp ttr tts ttt ttu tua tub tud tuo tup tur tus tut tuu ua- uaa uab uad uao uap uar uas uat uau uba ubb ubo ubp ubr ubs ubt ubu uda udb udd udo udp udr uds udt udu uoa uob uod uoo uop uor uos uot up- upa upb upd upo upp upr ups upt upu ur- ura urb urd uro urp urr urs urt uru usa usb usd uso usp usr uss ust usu uta utb utd uto utp utr uts utt utu uua uur uus uut uuu

-ous a-do aaaa aaab aaad aaap aaar aaas aaba aabb aabd aabp aabt aada aads aadt aadu aaoo aapa aapo aaps aapt aara aard aaro aarp aars aart aaru aasa aasd aass aast aasu aata aatt aaup aaus abaa abab abad abap abar abas abat abau abb- abba abbb abbo abbr abbs abbt abda abdo abdu aboa abob abod aboo abor abos abot abou abpa abpd abpp abpr abps abra abro abrs abs- absa absd absp abss absu abta abts abtu abua abud abus abut adaa adab adad adao adap adar adas adat adba adda addd addo addr adds addu adob adod adoo ador ados adot adp- adps adra adro adrs adsa adso adsr adss adst adta adts adua adub adur aoba aopo aora aorb aors aort aosd aosp aoss aotd aous aout apao apap apar apas apat apba apbr apbs apda apdd apds apdu apo- apod apoo apop apor apos apot apou appa appd appr apps appt appu apra apro aprs aprt apsa apso apss apsu apta apts aptt apua apud apup apus arab arad arap arar aras arat arau arba arbs arda ardo ards ardu aroa arob arod aroo aror aros arpa arps arpu arr- arra arro arrr arrs arrt arru ars- arsa arsd arso arst arsu arta arto artr arts arua arub arud arup arut asaa asab asad asao asap asar asas asat asau asba asbo asbu asda asdo asds asob asod asop asor asos asot asou aspa aspd aspo aspr asps aspt asra asro asrs asru assa assd asso assp assr asss