a-a a-b aaa aab aam aas ab- aba abb abm abs ama amb amm ams as- asa asb asm ass baa bab bam bas bba bbb bbm bbs bma bmb bmm bms bsa bsb bsm bss maa mab mam mas mba mbb mbm mbs mma mmb mmm mms msa msb msm mss saa sab sam sas sba sbb sbm sbs sma smb smm sms ss- ssa ssb ssm sss

aaaa aaab aaam aaas aaba aabb aabm aama aamb aams aasa aasm aass abaa abab abam abas abb- abba abbb abbs abma abmb abms abs- absa abss amaa amam amas amb- amba ambs amm- amma amsa amss asaa asab asam asas asba asbm asma asmm asms assa asss baaa baam baas baba babb babm babs bama bamb bamm bams basa bass bbas bbbb bbbs bmaa bsaa bsam bsas bsms bssm maaa maam maas maba mabs mama mams masa mass mbam mbas mbba mbbs mbms mmaa mmab mmas mmmm mmms msaa msas msba msma msmb msmm msms mssa mssm saab saam saas saba sabb sabs sam- sama samm sams sasa sasm sass sbaa sbas sbbs sbma sbsa smaa smas smba smss ssaa ssab ssam ssas sssa sssb sssm ssss

-aaa- aaaam aaaas aaasa aaass aabaa aabba aamsa abaab ababa ababs abasa abass abbas absam amaas amama amasa amass ambam ambas ammas asaba asama asasa asbms asmaa assab assam assas baama babam babas babbs bamba bambs bamma basab basma bassa bsaba ma-ma maams maass mamas mamba mamma masam masas massa mbama mmmmm msasa saaba saabs saasa sabam sabas sabsa samas samma samms samsa sassa sssss

aaaaba ababsa abassa abbasa abbass ambasa ambass assama assams baabaa baamba bambam bassam bbbbbb mambas mammas masaba masama massas sabbas samams sambas samsam ssabsa

ambassa bambama bbbbbbb mam-mam mambasa masamba sambass sssssss

bammbamm bassamba bbbbbbbb massama mm-ma-ma sassamba

baabaabaa

mmmmmmmmmmmm

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb