a-a a-b aaa aab aag aar aas aau ab- aba abb abg abr abs abu ag- aga agb agg agr ags agu ar- ara arb arg arr ars aru as- asa asb asg asr ass asu au- aua aub aug aur aus b-u baa bab bag bar bas bau bba bbb bbg bbr bbs bbu bga bgb bgg bgr bgs bgu bra brb brg brr brs bru bsa bsb bsg bsr bss bsu bua bub bug bur bus buu gaa gab gag gar gas gau gba gbg gbr gbs gbu gga ggb ggg ggr ggs ggu gra grb grg grr grs gru gsa gsb gsg gsr gss gsu gu- gua gub gug gur gus guu ra- raa rab rag rar ras rau rba rbb rbg rbr rbs rbu rga rgb rgg rgr rgs rra rrb rrg rrr rrs rru rsa rsb rsg rsr rss rsu rua rub rug rur rus ruu saa sab sag sar sas sau sba sbb sbg sbr sbs sbu sga sgb sgg sgr sgs sgu sr- sra srb srg srr srs ss- ssa ssb ssg ssr sss ssu sua sub sug sur sus suu ua- uaa uab uag uar uas uau uba ubb ubg ubr ubs ubu uga ugb ugg ugr ugs ugu ur- ura urb urg urr urs uru usa usb usg usr uss usu uua uug uur uus uuu

aaaa aaab aaar aaas aaba aabb aara aars aaru aasa aass aasu aaus abaa abab abag abar abas abau abb- abba abbb abbr abbs abra abrs abs- absa abss absu abua abug abus agag agar agas agau agba agga aggu agra agsa agsg agsu agua agur agus arab arag arar aras arau arba arbs arga argb args arr- arra arrg arrr arrs arru ars- arsa arsu arua arub arug asaa asab asag asar asas asau asba asbu asra asrg asrs asru assa assr asss assu asub asur asus auaa auga augs aur- aura ausa ausu auug baaa baar baas baba babb babr babs babu baga bagg bags bar- bara barb barg barr bars baru basa bass basu bau- baug baur bbas bbau bbbb bbbs bbga bbrg bggs brab brag bras brau brrr brrs brsb brsr brug brus bsaa bsas bsgs bsra buar buba bubb bubs bubu buga bugg bugs bur- bura burb burg burr burs buru busa buss busu buus gaar gaas gaba gabb gabr gabs gabu gaga gagg gags gagu gara garb garg garr gars gasa gasb gasr gass gaua gaub gaur gaus gbag gbas gbbs gggg ggss grab gras grau grbr grrr grrs grss grua grub grug grur grus gsab gsur guaa guag guar guba gubb gubs gubu guga gugb gugg gugu gura gurb gurg gurr gurs guru gusa gusb guss guus raab raag raas raba rabb rabs rabu raga ragg rags ragu rara rarb rars rasa rass rasu raua raub raus rbbb rbbr rbbs rbss rgba rras rrrr rsaa rsgb rssa rsua ruag ruas ruba rubb rubs rubu ruga rugg rugs rura rurs ruru rusa russ rusu saab saag saar saas saba sabb sabr sabs sabu saga sagg sags sagu sara sarg sarr sars saru sasa sass saua saur saus sbaa sbar sbas sbbs sbsa sbus sgaa sgau sggg sggs sgss sras srgb srub ssaa ssab ssas ssau ssbr ssgs ssra ssrg ssrs sssa sssb ssss suar suas sub- suba subb subg subs sug- suga sugg sur- sura surg surr surs suru sus- susa suss susu suus uars uaru uasa uaua ubar ubba ubra ugab ugar uggs ugra ugur uguu uras urau urba urbs urga urgu urra ursa urss ursu urur urus us-a usaa usag usar usas usba usbr usbs usga usra ussa ussb ussr usss ussu usua usus uuuu

-aaa- aaaas aaarg aaasa aaass aabaa aabba aabga aabra aarau aasra abaab ababa ababs ababu abaga abara abaru abasa abass abbar abbas abbrs abbur abgar abrar abras abrus absar abura aburr agara agars aggag aggar agras agsur aguar aguas agura ar-ab arab- araba arabs arara arars araru arass arasu arbab arbar arbas arbus argas argus arras arrau arrua aruaa aruba arura aruru arus- arusa asaba asaga asara asasa asbru asgar asrar assab assas assur asubs asura auass aubas augur aurar auras aurra ausar ausra aussa baars babar babas babau babbs babra babur babus bagag bagar bagas bagga baggs bagra bagru bagua baraa barab barag barar baras barba barbs barbu barga barra barrs barru barsa barss barua barus basab basar basra bassa bassu baura bauru bbuss braas braga bragb bragg brags brasa brass brrar brrrr brugg brusa bruss bsaba bubas bubba bugab bugar bugga bugra buraa buras burbs burgs burgu burra burrs burru bursa burus busaa busra bussa bussu busua busur busuu ga-ga gaara gabar gabas gabba gabbs gabra gagar gagra garab garag garas garba garbs garga garra garrs garss garua garur garus gasag gaura gaurs gauss gbara ggaba grabs gragg grass graur graus grgar grgur grrrr grubb grubs gruss gsusa guaba guara guars guasa gubar gubra gubru gugas gugau gugga gurab gursu gurur gurus gusar gusau ra-ra raaba raagu raasa rabab rabas rabba ragas ragga raggs ragus rarbg rarus rasar rasas rasau rasra rassa raugu rausu rraga rragb rubab rubba rubra rubus rusar rusas russa ruusa s-bus sa-ra saaba saabs saara saasa saasu sabar sabas sabau sabra sabsa sabur sabus sagaa sagar sagas sagra sagua sagus saraa sarab saras sarau sarbu sargs sarra sarsa sarsu saru- sarur sarus sassa sauba sauga saur- saura srb-a ss-gb sssrb sssss suara suars suasa subar subba subbu subra subss sugag sugar suggs sugru sugus surab suras surau surba surgu surra surur surus susus suuga ugrug uraba uraga urasa urbar urras ursas ursua ursus urubu usaas usara usars usuba usura uuuuu

aaaaba aaraas aargau ababsa abagar abasar abassa abbasa abbass abburu abubus aburas abusua ag-gag agabus agagus agarru agrass aguara arabas aragua araras araua araura arbra arburg arraba arraga arsura aruaru as-sur asabug asagag asagas asarag assara assura asuras augurs ausbbs baabaa baabar baarbu babars babbar babrru babura baggar bagras bagrus bagura baraga barara barbar barbas barbra barbus bargas bargur barrag barras barsar barsau baruar basara basrur