a-a a-b a-t aaa aab aak aao aar aas aat aau ab- aba abb abk abo abr abs abt abu aka akb akk ako akr aks aku aoa aob aok aoo aor aos aot aou ar- ara arb ark aro arr ars art aru as- asa asb ask aso asr ass ast asu at- ata atb ato atr ats att atu au- aua aub auk auo aur aus aut b-u baa bab bak bao bar bas bat bau bba bbb bbk bbo bbr bbs bbt bbu bka bkb bkk bko bkr bks bkt boa bob bok boo bor bos bot bou bra brb brk bro brr brs brt bru bsa bsb bsk bso bsr bss bst bsu bta btb btk bto btr bts btt btu bua bub buk buo bur bus but buu k-t ka- kaa kab kak kao kar kas kat kau kba kbb kbk kbo kbr kbs kbu kkb kkk kkr kks kkt kku koa kob kok koo kor kos kot kou kra krk kro krr krs krt kru ksa ksb ksk kso ksr kss kst ksu kta ktb ktk kto ktr kts ktt ktu kub kuk kur kus kut kuu oaa oab oak oao oar oas oat oau ob- oba obb obk obo obr obs obt obu oka okb okk oko okr oks oku oo- ooa oob ook ooo oor oos oot or- ora orb ork oro orr ors ort oru os- osa osb osk oso osr oss ost osu ot- ota otb otk oto otr ots ott otu ou- oua ouk ouo our ous out ra- raa rab rak rao rar ras rat rau rba rbb rbk rbo rbr rbs rbt rbu rkb rkk rko rks rkt rku roa rob rok roo ror ros rot rou rra rrb rrk rrr rrs rrt rru rsa rsb rsk rso rsr rss rst rsu rta rtb rtk rto rtr rts rtt rtu rua rub ruk ruo rur rus rut ruu saa sab sak sao sar sas sat sau sba sbb sbk sbo sbr sbs sbt sbu sk- ska skb skk sko skr sks skt sku soa sob sok soo sor sos sot sou sr- sra srb srk sro srr srs srt ss- ssa ssb ssk sso ssr sss sst ssu sta stb stk sto str sts stt stu sua sub suk suo sur sus sut suu taa tab tak tao tar tas tat tau tba tbb tbk tbo tbr tbs tbt tbu tka tkb tkk tko tkr tks tkt to- toa tob tok too tor tos tot tou tra trb trk tro trr trs trt tru tsa tsb tsk tso tsr tss tst tsu tta ttb ttk tto ttr tts ttt ttu tua tub tuk tuo tur tus tut tuu ua- uaa uab uak uao uar uas uat uau uba ubb ubk ubo ubr ubs ubt ubu uka ukb ukk ukr uku uoa uob uok uoo uor uos uot ur- ura urb urk uro urr urs urt uru usa usb usk uso usr uss ust usu uta utb utk uto utr uts utt utu uua uur uus uut uuu

-ous a-ak a-ok aaaa aaab aaar aaas aaba aabb aabt aaka aaku aaoo aara aaro aars aart aaru aasa aass aast aasu aata aatk aatt aaus abaa abab abak abar abas abat abau abb- abba abbb abbo abbr abbs abbt aboa abob abok aboo abor abos abot abou abra abro abrs abs- absa abss absu abta abts abtu abua abuk abus abut akaa akao akar akas akka akko akku akok akos akot akr- akra aksa akst aksu akua aoba aoks aora aorb aors aort aoss aous aout arab arak arar aras arat arau arba arbs arka arko arks aroa arob aroo aror aros arr- arra arrk arro arrr arrs arrt arru ars- arsa arsk arso arst arsu arta arto artr arts arua arub arut asaa asab asak asao asar asas asat asau asba asbo asbu aska asko askr asks askt asob asok asor asos asot asou asra asro asrs asru assa assk asso assr asss asst assu asta astb asto astr asts asub asur asus at-t ataa atab atak atar atas atat atbs atka atkt atob atok ator atos atot atra atrk atro atru atsb atst atta atto attr atts attu atua atub atuk atur atus auaa auks aur- aura auro ausa aust ausu aut- auto auts baaa baak baar baas baat baba babb babo babr babs babu bak- baka bako bakr baks bakt baku baos bar- bara barb bark baro barr bars bart baru basa bask baso bass bast basu bata bato bats batt batu bau- bauk baur bbas bbau bbbb bbbs boab boak boar boas boat boba bobb bobo bobs bobu boka boko boks boku boob book boor boos boot bor- bora bork boro borr bors bort boru bosa bosk boso boss bost bosu bota botb boto bots bott boua bouk bour bous bout brab brak brao bras brat brau brka brkb broa brob brok broo bror bros brot brou brrr brrs brsb brsr brst brus brut bsaa bsas bsat bskt bsos bsra bsts btaa btob btor btrt btss bttb btus buar buat buba bubb bubo bubs bubu buka bukk buko buku bur- bura burb burk buro burr burs burt buru busa busk buss bust busu but- buta buto buts butt buus k-os kaaa kaab kaak kaar kaas kaat kaba kabb kabo kabr kabu kaka kakk kako kaks kakt kaku kaoa kaok kaor kaos kara karb kark karo karr kars kart karu kas- kasa kasb kask kaso kasr kass kast kasu kat- kata katb katk kato katr kats katt katu kau- kaub kauk kauo kaur kaus kbaa kbab kbak kbar kbas kbat kbba kbbb kbbk kbbo kbbr kbbs kbbt kbbu kbkb kbkk kbko kbkr kboa kbob kbok kboo kbos kbot kbra kbrb kbrk kbro kbrt kbru kbsa kbsb kbsk kbso kbsr kbss kbst kbsu kbta kbtb kbtk kbto kbtr kbts kbtt kbua kbub kbuk kbur kbus kbut kbuu kkaa kkar kkat kkba kkbb kkbo kkbr kkbs kkbt kkkk kkoa kkob kkoo kkor kkot kkrb kkrk kkro kkrr kkrs