-ana aaaa aaab aaal aaan aaar aaas aaba aabb aabl aala aall aals aana aara aars aasa aass abaa abab abal aban abar abas abb- abba abbb abbr abbs abla abls abra abrs abs- absa absl abss alaa alal alan alar alas alb- alba albs all- alla alll alln allr alls alna alsa alsn ana- anaa anab anal anan anar anas anba anbb anbl anla anln anna annb anns ansa arab aral aran arar aras arba arbs arla arna arns arr- arra arrr arrs ars- arsa asaa asab asal asan asar asas asba asla aslr asnl asra asrs assa assl assn assr asss baaa baal baan baar baas baba babb babr babs bala ball bals bana bann banr bans bar- bara barb barn barr bars basa bass bbas bbbb bbbs bblb bbls blaa blab blan blas blls blss bnas bnrr bnss brab bran bras brls brna brns brrr brrs brsb brsr bsaa bsas bsns bsra laaa laal laan laar laas laba labr labs lala lall lan- lana lann lans lara larb larn larr lars lasa lass lbar lblr lbrs llan llbs llll lral lrba lrrr ls-r lsla lssa lssr naaa naab naal naan naar naas naba nabl nabs nala nall nals nan- nana nanb nann nans nara narn narr nars nas- nasa nasb nasl nasr nass nbaa nbar nbas nlab nlls nlra nlrb nnls nnnn nnsa nnsl nnss nrab nras nrlb nrna nrrl nrsa nsaa nsar nsla nslr nsls nsna nsnr nsra nsrl nssa nssb nssr nsss raab raan raas raba rabb rabl rabs rala ralb rall rana rann rans rara rarb rars rasa rasl rass rbbb rbbr rbbs rbsl rbss rlab rlls rnal rnas rnbr rras rrna rrrr rsaa rsna rsnn rsnr rssa rssl saab saal saan saar saas saba sabb sabr sabs sala sall sals sana sann sanr sans sara sarl sarn sarr sars sasa sasl sass sbaa sbar sbas sbbs sbsa slaa slab slan slas slln slrn slrs slsa snab snar snas snba snla snns snra snrs sras srna srnn ssaa ssab ssan ssas ssbn ssbr ssla ssns ssra ssrl ssrs sssa sssb ssss