a-a a-b a-z aaa aab aao aar aas aau aaz ab- aba abb abo abr abs abu abz aoa aob aoo aor aos aou ar- ara arb aro arr ars aru arz as- asa asb aso asr ass asu asz au- aua aub auo aur aus auz az- aza azb azo azs azu azz b-u baa bab bao bar bas bau baz bba bbb bbo bbr bbs bbu boa bob boo bor bos bou boz bra brb bro brr brs bru brz bsa bsb bso bsr bss bsu bua bub buo bur bus buu buz bza bzo bzr bzs bzu bzz oaa oab oao oar oas oau ob- oba obb obo obr obs obu oo- ooa oob ooo oor oos or- ora orb oro orr ors oru orz os- osa osb oso osr oss osu ou- oua ouo our ous oza ozo ozs ozu ozz ra- raa rab rao rar ras rau raz rba rbb rbo rbr rbs rbu roa rob roo ror ros rou roz rra rrb rrr rrs rru rsa rsb rso rsr rss rsu rua rub ruo rur rus ruu ruz rza rzb rzo saa sab sao sar sas sau saz sba sbb sbo sbr sbs sbu soa sob soo sor sos sou soz sr- sra srb sro srr srs ss- ssa ssb sso ssr sss ssu ssz sua sub suo sur sus suu suz sza szr szu ua- uaa uab uao uar uas uau uaz uba ubb ubo ubr ubs ubu uoa uob uoo uor uos ur- ura urb uro urr urs uru urz usa usb uso usr uss usu usz uua uur uus uuu uza uzb uzo uzu zaa zab zao zar zas zaz zbb zbr zbs zo- zoa zob zoo zor zos zou zro zrs zsa zsu zsz zub zur zus zuz zzr zzs zzz

-ous aaaa aaab aaar aaas aaba aabb aaoo aara aaro aars aaru aasa aass aasu aaus abaa abab abar abas abau abb- abba abbb abbo abbr abbs aboa abob aboo abor abos abou abra abro abrs abs- absa abss absu abua abus abza abzu aoba aora aorb aors aoss aous arab arar aras arau arba arbs aroa arob aroo aror aros aroz arr- arra arro arrr arrs arru ars- arsa arso arsu arua arub arza arzo arzu asaa asab asao asar asas asau asba asbo asbu asob asor asos asou asra asro asrs asru assa asso assr asss assu asub asur asus auaa aur- aura auro ausa ausu aza- azab azar azas azaz azo- azoo azor azos azra azua azur azza azzo baaa baar baas baaz baba babb babo babr babs babu baos bar- bara barb baro barr bars baru barz basa baso bass basu bau- baur baza bazo bbas bbau bbbb bbbs boab boar boas boaz boba bobb bobo bobs bobu boob boor boos booz bor- bora boro borr bors boru borz bosa boso boss bosu boua bour bous boza bozo brab brao bras brau braz broa brob broo bror bros brou broz brrr brrs brsb brsr brus bruz brza bsaa bsas bsos bsra buar buba bubb bubo bubs bubu bur- bura burb buro burr burs buru burz busa buss busu buus buuz buza buzz bzou bzzz oaau oara oars oass obas obba obbo obor obos obra obro obsr obss obus ooaa ooba oooo ooos oora oosa oous orab orao orar oras orba orbb orbo orbs orbu oro- oror oros oroz orra orro orrs orsa orso orsu orub orus orzo orzu osar osas osba osoo osor osos osro ossa ossb osso ossu oubs our- oura ouro ours ousa ouu- ouza ouzo ozar raab raas raaz raba rabb rabo rabs rabu raob raos rara rarb raro rars rarz rasa raso rass rasu raua raub raus raza razo razr razz rbbb rbbr rbbs rbss roab roar roas rob- roba robb robo robs robu roob roor roos rooz rora roro roru rosa roso ross roua roub rous rouz roza rozz rras rrrr rsaa rsos rssa rsua ruas ruba rubb rubs rubu rura ruro rurs ruru rusa ruso russ rusu ruza rzab s-os saab saar saas saaz saba sabb sabo sabr sabs sabu sabz saor saos saou sara saro sarr sars saru sarz sasa saso sass saua saur saus saza sbaa sbar sbas sbbs sbor sbsa sbus soar soas soaz soba sobo sobr sobs sobu soor soos sora sorb soro sorr sors soru sosa soso soss sour sous soz- soza sras sros srub srzu ssaa ssab ssao ssas ssau ssbr ssra ssrs sssa sssb ssss suar suas sub- suba subb subo subs subz suor suos sur- sura suro surr surs suru sus- susa suso suss susu susz suus suza suzo suzu suzz szar szob szss szur uars uaru uasa uaua ubar ubba ubbo ubos ubra uor- urao uras urau urba urbs uro- uroa uroo urra ursa urso urss ursu urur urus uruz urza us-a usaa usar usas usba usbr usbs usos usra ussa ussb ussr usss ussu usua usus usza uuuu uzos uzsa z-ro zaar zaba zabo zabr zabu zara zarb zaro zarr zaru zasu zaur zaza zazu zbar zbus zoar zobo zoo- zoos zora zorb zoro zors zoso zoss zoza zozo zozu zsss zubo zubr zubu zuoz zura zurb zurr zuru zuzu zzzs zzzz

-aaa- aaaas aaasa aaass aabaa aabba aabra aarau aasra abaab ababa ababs ababu abara abaru abasa abass abaza abazu abbar abbas abbos abbou abbrs abbur aboab abobo abora aboso abous abrar abras abrus absar abura aburr abuzz abzar aoos aorus ar-ab arab- araba arabo arabs araoz arara arars araru arass arasu arbab arbar arbas arbaz arbor arbos arbus aroab aroar aroba aroor aroos arora arosa arras arrau arros arrou arroz arrua arsos arsuz aruaa aruba arura aruru arus- arusa arzoo arzos arzua asaba asara asaro asasa asbos asbro asbru asoar asors asosa asour asrar asror assab assas assoa assos assur asubs asura aszar auass aubas aurar auras auro- auroa auror auros aurra ausar ausra aussa auzas azabu azara azaru azbar azour azrar azrou azura azuro azusa baars babar babas babau babbs baboo babos babou babra babur babus