SUBMAXIMAL

aa ab ai al am as ax ba bi is la li ma mi mm mu si um us xi xu

aal aas aba abs ail aim ais ala alb als ama ami amu baa bal bam bas bis bum bus ism lab lam las lax lib lis lum lux mas max mib mil mim mis mix mum mus sab sal sau sax sib sim six sub sum umm xis

aals abas ails aims alas alba albs alma alms alum amas amia amis amus axal axil axis baal baas bail balm bals bams bias bima blam bums iamb imam isba labs lama lamb lams libs lima limb luma lums mail maim malm mama masa maul maxi mibs mils mums sail saul sial sima slab slam slim slub slum suba