a-a a-b aaa aab aao aas ab- aba abb abo abs aoa aob aoo aos as- asa asb aso ass baa bab bao bas bba bbb bbo bbs boa bob boo bos bsa bsb bso bss oaa oab oao oas ob- oba obb obo obs oo- ooa oob ooo oos os- osa osb oso oss saa sab sao sas sba sbb sbo sbs soa sob soo sos ss- ssa ssb sso sss

aaaa aaab aaas aaba aabb aaoo aasa aass abaa abab abas abb- abba abbb abbo abbs aboa abob aboo abos abs- absa abss aoba aoss asaa asab asao asas asba asbo asob asos assa asso asss baaa baas baba babb babo babs baos basa baso bass bbas bbbb bbbs boab boas boba bobb bobo bobs boob boos bosa boso boss bsaa bsas bsos oass obas obba obbo obos obss ooaa ooba oooo ooos oosa osas osba osoo osos ossa ossb osso s-os saab saas saba sabb sabo sabs saos sasa saso sass sbaa sbas sbbs sbsa soas soba sobo sobs soos sosa soso soss ssaa ssab ssao ssas sssa sssb ssss

-aaa- aaaas aaasa aaass aabaa aabba abaab ababa ababs abasa abass abbas abbos aboab abobo aboso aoos asaba asasa asbos asosa assab assas assoa assos babas babbs baboo babos basab baso- bassa bo-bo bobos booba boobs boosa bosas bossa bosso bsaba obaba ooooo ososo ossos saaba saabo saabs saasa sabas saboo sabsa sassa sasso so-so sobao sosas soss- sssss

aaaaba ababsa abassa abbasa abbass aboaso baabaa baboos baboso baobab bassos bbbbbb boabab boasso bobbos booboo boossa bosaso bososo oooooo sabbas saboba sobos soosoo ssabsa

baobabs bbbbbbb boo-boo booboos bosasso o-o-a-a sssssss

bbbbbbbb bo-bo-bo bobobobs

baabaabaa

bobbobbobs

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb