a-a a-b aaa aab aar aau aax ab- aba abb abr abu abx ar- ara arb arr aru arx au- aua aub aur aux ax- axa axr axx b-u baa bab bar bau bax bba bbb bbr bbu bbx bra brb brr bru brx bua bub bur buu bux bxb bxx ra- raa rab rar rau rax rba rbb rbr rbu rbx rra rrb rrr rru rua rub rur ruu rux rxr ua- uaa uab uar uau uba ubb ubr ubu ubx ur- ura urb urr uru urx uua uur uuu uxb uxr uxu xaa xar xau xbr xbx xrx xxx

aaaa aaab aaar aaba aabb aara aaru abaa abab abar abau abax abb- abba abbb abbr abra abua arab arar arau arax arba arr- arra arrr arru arua arub auaa aur- aura auxa axar ba-x baaa baar baba babb babr babu bar- bara barb barr baru barx bau- baur baux bbau bbbb brab brau brax brrr brux buar buba bubb bubu bur- bura burb burr buru buxa raab raba rabb rabu rara rarb raua raub raxa rbbb rbbr rrrr ruba rubb rubu rura ruru uaru uaua ubar ubba ubra urau urba urra urur uuuu xaar xara xbar xbra xura xuxa xuxu xxxx

-aaa- aabaa aabba aabra aarau abaab ababa ababu abara abaru abbar abbur abrar abura aburr ar-ab arab- araba arara araru araux araxa arbab arbar arrau arrua aruaa aruba arura aruru auaxa aurar aurra axura babar babau babax babra babur bar-x baraa barab barar barba barbu barra barru barua baura bauru braux brrar brrrr bruxa bubba buraa burra burru buxar ra-ra raaba rabab rabba raxar rubab rubba rubra uraba urbar urubu uuuuu x-bar xbxrx

aaaaba abburu araua araura arbra arraba aruaru baabaa baabar baarbu babbar babrru babura barara barbar barbra barrax baruar baurua bbbbbb braura brubru bububu burbur raabau rababa rubarb rubbra uruara xarxar

arabaux baabarr barabra barbara bau-bau bbbbbbb burarra buruuba xxxxxxx

bar-abba barabara bbbbbbbb bruara bu-ba-bu buruburu rubarabr

abbabubba baabaabaa

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