a-a a-b a-q a-t aaa aab aaq aar aas aat aau ab- aba abb abq abr abs abt abu aqa aqr aqs aqt ar- ara arb arq arr ars art aru as- asa asb asq asr ass ast asu at- ata atb atr ats att atu au- aua aub aur aus aut b-u baa bab baq bar bas bat bau bba bbb bbq bbr bbs bbt bbu bqt bra brb brq brr brs brt bru bsa bsb bsr bss bst bsu bta btb btq btr bts btt btu bua bub bur bus but buu qaa qar qas qat qau qba qbq qbs qqq qqu qra qrb qrs qrt qru qsa qsr qst qta qtq qtr qts qu- qua qur qus qut ra- raa rab raq rar ras rat rau rba rbb rbr rbs rbt rbu rqs rra rrb rrq rrr rrs rrt rru rsa rsb rsq rsr rss rst rsu rta rtb rtq rtr rts rtt rtu rua rub rur rus rut ruu saa sab saq sar sas sat sau sba sbb sbq sbr sbs sbt sbu sqa sqq sqr sqs sr- sra srb srq srr srs srt ss- ssa ssb ssq ssr sss sst ssu sta stb stq str sts stt stu sua sub suq sur sus sut suu taa tab taq tar tas tat tau tba tbb tbr tbs tbt tbu tra trb trq trr trs trt tru tsa tsb tsq tsr tss tst tsu tta ttb ttr tts ttt ttu tua tub tur tus tut tuu ua- uaa uab uaq uar uas uat uau uba ubb ubr ubs ubt ubu ur- ura urb urr urs urt uru usa usb usr uss ust usu uta utb utr uts utt utu uua uur uus uut uuu

aaaa aaab aaar aaas aaba aabb aabt aara aars aart aaru aasa aass aast aasu aata aatt aaus abaa abab abar abas abat abau abb- abba abbb abbr abbs abbt abra abrs abs- absa abss absu abta abts abtu abua abus abut aqar aqas aqra aqsa aqu- aqua arab araq arar aras arat arau arba arbs arq- arqa arr- arra arrr arrs arrt arru ars- arsa arst arsu arta artr arts arua arub aruq arut asaa asab asar asas asat asau asba asbu asra asrs asru assa assq assr asss asst assu asta astb astr asts asub asur asus at-t ataa atab ataq atar atas atat atbs atra atru atsb atst atta attr atts attu atua atub atur atus auaa aur- aura ausa aust ausu aut- auts baaa baar baas baat baba babb babr babs babu baqa baqt bar- bara barb barq barr bars bart baru basa bass bast basu bata bats batt batu bau- baur bbas bbau bbbb bbbq bbbs bbqs brab bras brat brau brrr brrs brsb brsr brst brus brut bsaa bsas bsat bsra bsts btaa btrt btss bttb btus buar buat buba bubb bubq bubs bubu buqa bur- bura burb burr burs burt buru busa buss bust busu but- buta buts butt buus qara qars qaru qasr qass qats qqqq qrss qrst qsas qsqs qsqt qsrs qtar qtrs quaa quab quar quas quat quba qust qutb quu- raab raas raat raba rabb rabs rabu raqt rara rarb rars rasa rass rast rasu rata rats ratt ratu raua raub raus raut rbbb rbbr rbbs rbss rbst rras rrat rrrr rsaa rssa rsts rstu rsua rtas rtss rtts ruas ruba rubb rubs rubu rura rurs ruru rusa russ rust rusu ruta ruts rutt rutu saab saar saas saat saba sabb sabr sabs sabu sara sarr sars sart saru sasa sass sast sata satb satr sats satt satu saua saur saus saut sbaa sbar sbas sbbs sbsa sbst sbus sqrt sras srta srtr srub ssaa ssab ssas ssat ssau ssbr ssra ssrs sssa sssb ssss ssta sstb ssts stab star stas stat stau stbs stra strs stru stss sttr stub stur stus stut suar suas suat sub- suba subb subs suqs sur- sura surr surs surt suru sus- susa suss sust susu suta sutu suus taa- taar taas taat taba tabb tabs tabu taqa taqu tara tarb tarq tarr tars tart taru tasa tasb tasr tass tast tasu tata tatb tatr tats tatt tatu taua taub taur taus taut tbar tbas tbbs tbrb tbst tbta traa trab tras trat trau trra trst trtr trub trus trut truu tsaa tsar tsat tsau tssa tssr tsst tsts ttab ttbb ttss tttt tuar tuas tuat tuba tubb tubr tubs tubu tura turb turr turs turt turu tusa tuss tust tuta tuts tutt tutu uars uart uaru uasa uata uatu uaua ubar ubba ubra uqar uqat uras urat urau urba urbs urra ursa urss ursu urts uruq urur urus urut us-a usaa usar usas usat usba usbr usbs usra ussa ussb ussr usss usst ussu usta ustb usts usua usus utas utau utsa uttu utuq uuta uuuu

-aaa- aaaaq aaaas aaasa aaass aaata aabaa aabba aabra aaqua aarau aarts aasra aatsr abaab ababa ababs ababu abara abaru abasa abass abbar abbas abbat abbrs abbur abrar abras abrus absar abstr absut abtaa abtar abura aburr abust abuta abuts abutt aqaba aqqur aqrab aqua- aquas ar-ab araat arab- araba arabs arara arars araru arass arasu arata arbab arbar arbas arbat arbus arras arrau arrua arsat artar artas artat artur artus aruaa aruba arura aruru arus- arusa aruta asaba asara asasa asats asaut asbru asrar assab assas assat assts assur astab astar astas astat astr- astra astur asubs asura atabu atara atars ataru atasu atats atbar atbat atrab atras atrst atrus attar attas attra attur attus atura atusa auass aubas aurar auras aurat aurra ausar ausra aussa austa baars baart baata babar babas babau babbs babra babur babus babut baqaa baraa barab baraq barar baras barat barba barbq barbs barbu barqs barra barrs barru barsa barss barst barta barts barua baruq barus barut basab basar basra bassa bassu basta basts bastu basut batab batar batas batat batau batra batsa batsu batta batts battu batur batus baura bauru bauta bbart bbuss braaq braas braat brasa brass brast brats bratt bratu