a-a a-b aaa aab aaf aar aas ab- aba abb abf abr abs af- afa afb aff afr afs ar- ara arb arf arr ars as- asa asb asf asr ass baa bab baf bar bas bba bbb bbf bbr bbs bfa bfb bff bfr bfs bra brb brf brr brs bsa bsb bsf bsr bss faa fab faf far fas fba fbb fbf fbr fbs ffa fff ffr ffs fra frb frf frr frs fsa fsb fsf fsr fss ra- raa rab raf rar ras rba rbb rbf rbr rbs rfa rfb rff rfr rfs rra rrb rrf rrr rrs rsa rsb rsf rsr rss saa sab saf sar sas sba sbb sbf sbr sbs sfa sfb sff sfr sfs sr- sra srb srf srr srs ss- ssa ssb ssf ssr sss

aaaa aaab aaaf aaar aaas aaba aabb aafa aafb aaff aara aars aasa aasf aass abaa abab abaf abar abas abb- abba abbb abbr abbs abff abra abrs abs- absa absf abss afaa afar afbs affa affs afr- afra afrs afsa afsb arab araf arar aras arba arbs arfa arfb arff arfs arr- arra arrr arrs ars- arsa asaa asab asaf asar asas asba asfa asra asrs assa assr asss baaa baaf baar baas baba babb babr babs baff bar- bara barb barf barr bars basa basf bass bbas bbbb bbbs bfas bffs bfsr brab braf bras brrr brrs brsb brsr bsaa bsas bsfa bsff bsfs bsra faaa faas faba fabs fafa faff fara farb farr fars fasa fass fbar fbrs ffar ffff ffrr ffsa ffss frab fras frsb fsas fsra fssa fssf raab raaf raas raba rabb rabs rafa raff rara rarb rarf rars rasa rass rbaf rbbb rbbr rbbs rbss rras rrrr rsaa rsaf rssa saab saaf saar saas saba sabb sabr sabs safa safb saff safr sara sarf sarr sars sasa sasf sass sbaa sbar sbas sbbs sbsa sfar sfas sfba sfra sfss sraf sras ssaa ssab ssas ssbr ssra ssrs sssa sssb sssf ssss

-aaa- aaaas aaasa aaass aabaa aabba aabfs aabra aasra abaab ababa ababs abara abasa abass abbar abbas abbrs abfab abffs abrar abras absar afara afars afsar ar-ab arab- araba arabs arara arars arass arbab arbar arbas arras asaba asafa asara asasa asfar asrar assab assaf assas baars babar babas babbs babra baffa baffs bafra baraa barab barar baras barba barbs barff barfs barra barrs barsa barss basab basar basra bassa braas braff brasa brass brrar brrrr bsaba fabas fabra faffs fafsa farab faras farbs farfa farrs farsa farsb fraba frabs frass ra-ra raaba raaff raasa rabab rabas rabba rafar raffa raffs raraf rarfs rasar rasas rasfa rasra rassa rffsa rsssf sa-ra saaba saabs saaff saara saarf saasa sabar sabas sabra sabsa safar saffa safra saraa sarab saraf saras sarra sarsa sassa sfaar srb-a ssafa sssrb sssss

aaaaba aaraas ababsa abasar abassa abbasa abbass afassa araafa arabas araras arbra arfara arfarf arraba assara baabaa baabar babars babbar barara barbar barbas barbra barras barsar basara basfar bassar bassra bbbbbb brasar fabara faraar farara farfar farrar frafra rababa rababs rabasa sabara sabbas sabras safsaf safsar saraba sarara sarasa sarasb sarbas sarras sarsar sarsas sfafaa ssabsa ssbars sssfrs

abarsas ar-rass as-saff asfaras baabarr barabas barabra barbara barrass basarab bbbbbbb farfara farsara sarabas sarba sarrara sssssss

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

baabaabaa barsabbas brassbars sassafras sassarara

sassafrass

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb