a-a a-b a-t aaa aab aam aao aar aas aat aau ab- aba abb abm abo abr abs abt abu ama amb amm amo amr ams amt amu aoa aob aom aoo aor aos aot aou ar- ara arb arm aro arr ars art aru as- asa asb asm aso asr ass ast asu at- ata atb atm ato atr ats att atu au- aua aub aum auo aur aus aut b-u baa bab bam bao bar bas bat bau bba bbb bbm bbo bbr bbs bbt bbu bma bmb bmm bmo bmr bms bmt bmu boa bob bom boo bor bos bot bou bra brb brm bro brr brs brt bru bsa bsb bsm bso bsr bss bst bsu bta btb btm bto btr bts btt btu bua bub bum buo bur bus but buu m-o m-r maa mab mam mao mar mas mat mau mba mbb mbm mbo mbr mbs mbt mbu mma mmb mmm mmo mmr mms mmt mmu moa mob mom moo mor mos mot mou mra mrb mrm mro mrr mrs mrt mru msa msb msm mso msr mss mst msu mta mtb mtm mto mtr mts mtt mtu mua mub mum mur mus mut muu oaa oab oam oao oar oas oat oau ob- oba obb obm obo obr obs obt obu om- oma omb omm omo omr oms omt omu oo- ooa oob oom ooo oor oos oot or- ora orb orm oro orr ors ort oru os- osa osb osm oso osr oss ost osu ot- ota otb otm oto otr ots ott otu ou- oua oum ouo our ous out ra- raa rab ram rao rar ras rat rau rba rbb rbm rbo rbr rbs rbt rbu rma rmb rmm rmo rmr rms rmt roa rob rom roo ror ros rot rou rra rrb rrm rrr rrs rrt rru rsa rsb rsm rso rsr rss rst rsu rta rtb rtm rto rtr rts rtt rtu rua rub rum ruo rur rus rut ruu saa sab sam sao sar sas sat sau sba sbb sbm sbo sbr sbs sbt sbu sma smb smm smo smr sms smt smu soa sob som soo sor sos sot sou sr- sra srb srm sro srr srs srt ss- ssa ssb ssm sso ssr sss sst ssu sta stb stm sto str sts stt stu sua sub sum suo sur sus sut suu taa tab tam tao tar tas tat tau tba tbb tbm tbo tbr tbs tbt tbu tma tmb tmm tmo tmr tms tmt tmu to- toa tob tom too tor tos tot tou tra trb trm tro trr trs trt tru tsa tsb tsm tso tsr tss tst tsu tta ttb ttm tto ttr tts ttt ttu tua tub tum tuo tur tus tut tuu ua- uaa uab uam uao uar uas uat uau uba ubb ubo ubr ubs ubt ubu um- uma umb umm umo umr ums umt umu uoa uob uom uoo uor uos uot ur- ura urb urm uro urr urs urt uru usa usb usm uso usr uss ust usu uta utb utm uto utr uts utt utu uua uum uur uus uut uuu

-ous aaaa aaab aaam aaar aaas aaba aabb aabm aabt aama aamb aamo aamr aams aaoo aara aarm aaro aars aart aaru aasa aasm aass aast aasu aata aatt aaus abaa abab abam abar abas abat abau abb- abba abbb abbo abbr abbs abbt abma abmb abms abmt aboa abob aboo abor abos abot abou abra abro abrs abs- absa abss absu abta abts abtu abua abum abus abut amaa amam amar amas amat amb- amba ambo ambr ambs ambu amm- amma ammo ammu amob amoo amor amos amot amou amra amro amsa amso amss amst amta amto amts amua amum amur aoba aoma aora aorb aors aort aoss aous aout arab aram arar aras arat arau arba arbs arma armm armo arms armt armu aroa arob arom aroo aror aros arr- arra arro arrr arrs arrt arru ars- arsa arso arst arsu arta arto artr arts arua arub arum arut asaa asab asam asao asar asas asat asau asba asbm asbo asbu asma asmm asmr asms asmt asob asom asor asos asot asou asra asrm asro asrs asru assa asso assr asss asst assu asta astb astm asto astr asts asub asum asur asus at-t ataa atab atar atas atat atbs atm- atma atmo atms atmu atob atom ator atos atot atra atrm atro atru atsb atst atta atto attr atts attu atua atub atum atur atus auaa auma aur- aura auro ausa ausm aust ausu aut- auto auts baaa baam baar baas baat baba babb babm babo babr babs babu bama bamb bamm bams bamu baos bar- bara barb barm baro barr bars bart baru basa baso bass bast basu bata bato bats batt batu bau- baum baur bbas bbau bbbb bbbs bmaa bmts bmus boab boar boas boat boba bobb bobo bobs bobu boma bomb boms bomt bomu boob boom boor boos boot bor- bora borm boro borr bors bort boru bosa bosm boso boss bost bosu bota botb boto bots bott boua boum bour bous bout brab bram brao bras brat brau broa brob brom broo bror bros brot brou brrm brrr brrs brsb brsr brst brum brus brut bsaa bsam bsas bsat bsms bsmt bsos bsra bsrm bssm bsts btaa btob btor btrt btss bttb btus buar buat buba bubb bubo bubs bubu bum- buma bumb bums bur- bura burb burm buro burr burs burt buru busa buss bust busu but- buta buto buts butt buus maaa maam maar maas maat maba mabo mabs mabu mama mamo mams mamu maor maos mar- mara marm maro marr mars mart maru masa masr mass mast masu mata mato matr mats matt matu maua maum maur maus maut mbam mbas mbba mbbs mbms mbou mbrs mbta mbus mmaa mmab mmar mmas mmmm mmms mmor mmst mmsu mmts mmus moaa moab moam moar moas moat moba mobb mobo mobs moma momo moms momu mooa