a-a a-b aaa aab aar aas aax ab- aba abb abr abs abx ar- ara arb arr ars arx as- asa asb asr ass asx ax- axa axr axs axx baa bab bar bas bax bba bbb bbr bbs bbx bra brb brr brs brx bsa bsb bsr bss bsx bxb bxx ra- raa rab rar ras rax rba rbb rbr rbs rbx rra rrb rrr rrs rsa rsb rsr rss rsx rxr rxs saa sab sar sas sax sba sbb sbr sbs sbx sr- sra srb srr srs srx ss- ssa ssb ssr sss ssx sxs xaa xar xas xbr xbx xrx xsa xsb xss xxx

aaaa aaab aaar aaas aaba aabb aara aars aasa aass abaa abab abar abas abax abb- abba abbb abbr abbs abra abrs abs- absa abss arab arar aras arax arba arbs arr- arra arrr arrs ars- arsa asaa asab asar asas asba asra asrs assa assr asss axar ba-x baaa baar baas baba babb babr babs bar- bara barb barr bars barx basa bass bbas bbbb bbbs brab bras brax brrr brrs brsb brsr bsaa bsas bsra raab raas raba rabb rabs rara rarb rars rasa rass raxa rbbb rbbr rbbs rbss rras rrrr rsaa rssa sa-x saab saar saas saba sabb sabr sabs sara sarr sars sasa sass saxa sbaa sbar sbas sbbs sbsa sras ssaa ssab ssas ssbr ssra ssrs sssa sssb ssss xaar xara xbar xbra xxxx

-aaa- aaaas aaasa aaass aabaa aabba aabra aasra abaab ababa ababs abara abasa abass abbar abbas abbrs abrar abras absar ar-ab arab- araba arabs arara arars arass araxa arbab arbar arbas arras asaba asara asasa asrar assab assas asxas baars babar babas babax babbs babra bar-x baraa barab barar baras barba barbs barra barrs barsa barss basab basar basra bassa braas brasa brass brrar brrrr bsaba ra-ra raaba raasa rabab rabas rabba rasar rasas rasra rassa raxar sa-ra saaba saabs saara saasa sabar sabas sabra sabsa saraa sarab saras sarra sarsa sassa srb-a sssrb sssss x-bar xbxrx

aaaaba aaraas aasax ababsa abasar abassa abbasa abbass arabas araras arbra arraba assara baabaa baabar babars babbar barara barbar barbas barbra barras barrax barsar basara bassar bassra bbbbbb brasar rababa rababs rabasa sabara sabbas sabras saraba sarara sarasa sarasb sarbas sarras sarsar sarsas ssabsa ssbars xarxar

abarsas ar-rass baabarr barabas barabra barbara barrass basarab basssax bbbbbbb sarabas sarba sarrara sssssss xxxxxxx

assarara bar-abba barabara barabbas barbaras barrabas basaraba bass-bar bbbbbbbb sasarara sbarbara

baabaabaa barsabbas brassbars sassarara

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aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb