a-a a-b a-t aaa aab aad aak aao aar aas aat aau ab- aba abb abd abk abo abr abs abt abu ad- ada adb add adk ado adr ads adt adu aka akb akd akk ako akr aks aku aoa aob aod aok aoo aor aos aot aou ar- ara arb ard ark aro arr ars art aru as- asa asb asd ask aso asr ass ast asu at- ata atb atd ato atr ats att atu au- aua aub aud auk auo aur aus aut b-u baa bab bad bak bao bar bas bat bau bba bbb bbd bbk bbo bbr bbs bbt bbu bda bdb bdd bdk bdo bdr bds bdt bdu bka bkb bkk bko bkr bks bkt boa bob bod bok boo bor bos bot bou bra brb brd brk bro brr brs brt bru bsa bsb bsd bsk bso bsr bss bst bsu bta btb btd btk bto btr bts btt btu bua bub bud buk buo bur bus but buu daa dab dad dak dao dar das dat dau dba dbb dbd dbk dbo dbr dbs dbt dbu dda ddb ddd ddk ddo ddr dds ddt ddu dka dkb dkk dko dkr dks dkt dku doa dob dod dok doo dor dos dot dou dra drb drd drk dro drr drs drt dru dsa dsb dsd dsk dso dsr dss dst dsu dta dtb dtd dtk dto dtr dts dtt dtu dua dub dud duk duo dur dus dut k-t ka- kaa kab kad kak kao kar kas kat kau kba kbb kbd kbk kbo kbr kbs kbu kda kdb kdk kdo kdr kds kdt kdu kkb kkk kkr kks kkt kku koa kob kod kok koo kor kos kot kou kra krd krk kro krr krs krt kru ksa ksb ksd ksk kso ksr kss kst ksu kta ktb ktk kto ktr kts ktt ktu kub kud kuk kur kus kut kuu oaa oab oad oak oao oar oas oat oau ob- oba obb obd obk obo obr obs obt obu oda odb odd odo odr ods odt odu oka okb okd okk oko okr oks oku oo- ooa oob ood ook ooo oor oos oot or- ora orb ord ork oro orr ors ort oru os- osa osb osd osk oso osr oss ost osu ot- ota otb otd otk oto otr ots ott otu ou- oua oud ouk ouo our ous out ra- raa rab rad rak rao rar ras rat rau rba rbb rbd rbk rbo rbr rbs rbt rbu rda rdb rdd rdo rdr rds rdt rdu rkb rkk rko rks rkt rku roa rob rod rok roo ror ros rot rou rra rrb rrd rrk rrr rrs rrt rru rsa rsb rsd rsk rso rsr rss rst rsu rta rtb rtd rtk rto rtr rts rtt rtu rua rub rud ruk ruo rur rus rut ruu saa sab sad sak sao sar sas sat sau sba sbb sbd sbk sbo sbr sbs sbt sbu sda sdb sdd sdk sdo sdr sds sdt sdu sk- ska skb skd skk sko skr sks skt sku soa sob sod sok soo sor sos sot sou sr- sra srb srd srk sro srr srs srt ss- ssa ssb ssd ssk sso ssr sss sst ssu sta stb std stk sto str sts stt stu sua sub sud suk suo sur sus sut suu taa tab tad tak tao tar tas tat tau tba tbb tbd tbk tbo tbr tbs tbt tbu tda tdb tdd tdk tdo tdr tds tdt tdu tka tkb tkk tko tkr tks tkt to- toa tob tod tok too tor tos tot tou tra trb trd trk tro trr trs trt tru tsa tsb tsd tsk tso tsr tss tst tsu tta ttb ttd ttk tto ttr tts ttt ttu tua tub tud tuk tuo tur tus tut tuu ua- uaa uab uad uak uao uar uas uat uau uba ubb ubk ubo ubr ubs ubt ubu uda udb udd udk udo udr uds udt udu uka ukb ukk ukr uku uoa uob uod uok uoo uor uos uot ur- ura urb urd urk uro urr urs urt uru usa usb usd usk uso usr uss ust usu uta utb utd utk uto utr uts utt utu uua uur uus uut uuu

-ous a-ak a-do a-ok aaaa aaab aaad aaar aaas aaba aabb aabd aabt aada aads aadt aadu aaka aaku aaoo aara aard aaro aars aart aaru aasa aasd aass aast aasu aata aatk aatt aaus abaa abab abad abak abar abas abat abau abb- abba abbb abbo abbr abbs abbt abda abdo abdu aboa abob abod abok aboo abor abos abot abou abra abro abrs abs- absa absd abss absu abta abts abtu abua abud abuk abus abut adaa adab adad adak adao adar adas adat adba adda addd addo addr adds addu adob adod adok adoo ador ados adot adra adro adrs adsa adso adsr adss adst adta adts adua adub aduk adur akaa akao akar akas akka akko akku akok akos akot akr- akra aksa akst aksu akua aoba aoks aora aorb aors aort aosd aoss aotd aous aout arab arad arak arar aras arat arau arba arbs arda ardo ards ardu arka arko arks aroa arob arod aroo aror aros arr- arra arrk arro arrr arrs arrt arru ars- arsa arsd arsk arso arst arsu arta arto artr arts arua arub arud arut asaa asab asad asak asao asar asas asat asau asba asbo asbu asda asdo asds aska asko askr asks askt asob asod asok asor asos asot asou asra asro asrs asru assa assd assk asso assr asss asst assu asta astb asto astr asts asub asud asur asus at-t ataa atab atad atak atar atas atat atbs atdt atka atkt atob atod atok ator atos atot atra atrk atro atru atsb atst atta atto attr atts attu atua atub atuk atur atus auaa audo auks aur- aura aurd auro ausa ausd aust ausu aut- auto auts baaa baad baak