-ana aaaa aaab aaad aaan aaar aaas aaba aabb aabd aada aads aana aand aara aard aars aasa aasd aass abaa abab abad aban abar abas abb- abba abbb abbr abbs abda abra abrs abs- absa absd abss adaa adab adad adan adar adas adba adda addd addn addr adds adna adns adra adrs adsa adsr adss ana- anaa anab anad anan anar anas anba anbb and- anda andr ands anna annb anns ansa ansd arab arad aran arar aras arba arbs arda ards arna arnd arns arr- arra arrr arrs ars- arsa arsd asaa asab asad asan asar asas asba asda asds asra asrs assa assd assn assr asss baaa baad baan baar baas baba babb babr babs bada badb badd badr bads bana band bann banr bans bar- bara barb bard barn barr bars basa bass bbad bbas bbbb bbbs bbdd bd-r bdna bdsd bnas bnrr bnss brab brad bran bras brda brds brna brns brrr brrs brsb brsr bsaa bsas bsbd bsnd bsns bsra bsrd bssd d-na daab daad daan daar daas daba dabb dabs dada dads dana dand dann danr dans dara darb dard darn darr dars dasa dasb dasd dass dbar dbas dbrn dbrs dbsa dbss dddd ddss dnaa dnab dnad dnan dnas dnsa draa drab drad drar dras drba drda drna drra drrs drsa dsba dsda dsdr dsrr dssa dssn naaa naab naad naan naar naas naba nabs nada nadr nads nan- nana nanb nand nann nans nara nard narn narr nars nas- nasa nasb nasd nasr nass nbaa nbad nbar nbas ndaa ndas nddb ndna ndss nndb nnnn nnsa nnss nrab nras nrds nrna nrrd nrsa nsaa nsar nsds nsna nsnr nsra nsrd nssa nssb nssr nsss raab raad raan raas raba rabb rabs rada radd radr rads rana rand rann rans rara rarb rars rasa rasd rass rbbb rbbr rbbs rbds rbsd rbss rdas rdna rnas rnbr rnds rrad rras rrna rrrr rsaa rsdd rsds rsna rsnn rsnr rssa saab saad saan saar saas saba sabb sabr sabs sada sadb sadd sadr sads sana sand sann sanr sans sara sard sarn sarr sars sasa sasd sass sbaa sbar sbas sbbs sbds sbsa sbsd sdba sdds sdna sdrs sdss snab snad snar snas snba snda snns snra snrs snsd sras srna srnn srsd ssaa ssab ssan ssas ssbn ssbr ssdd ssns ssra ssrs sssa sssb ssss