-ana aaaa aaab aaan aaar aaas aaba aabb aana aara aars aasa aass abaa abab abaj aban abar abas abb- abba abbb abbr abbs abjs abra abrs abs- absa abss ajab ajan ajar ajas ajba ajna ajss ana- anaa anab anan anar anas anba anbb anja anna annb anns ansa arab aran arar aras arba arbs arja arna arns arr- arra arrr arrs ars- arsa asaa asab asan asar asas asba asja asra asrs assa assn assr asss baaa baan baar baas baba babb babr babs baja bajs bana banj bann banr bans bar- bara barb barn barr bars basa bass bbas bbbb bbbs bnas bnrr bnss brab braj bran bras brna brnj brns brrr brrs brsb brsr bsaa bsas bsns bsra jaan jaar jaas jaba jabr jabs jaja jana jann jans jara jarr jars jasa jasn jass jbaa jbar jjar jrbr jssr jsss naaa naab naan naar naas naba nabs naja najr nan- nana nanb nann nans nara narn narr nars nas- nasa nasb nasr nass nbaa nbar nbas nbbj njaa njbs nnnn nnsa nnss nrab nras nrna nrsa nsaa nsar nsna nsnr nsra nssa nssb nssr nsss raab raaj raan raas raba rabb rabs raja rajs rana rann rans rara rarb rars rasa rass rbbb rbbr rbbs rbss rnas rnbr rras rrna rrrr rsaa rsaj rsna rsnn rsnr rssa saab saaj saan saar saas saba sabb sabr sabs saja sana sanj sann sanr sans sara sarn sarr sars sasa sass sbaa sbar sbas sbbs sbsa sjab snab snar snas snba snns snra snrs sras srna srnn ssaa ssab ssan ssas ssbn ssbr ssns ssra ssrs sssa sssb ssss