inee inet inia inid init inna inne inni inta intd inti intn itaa itac itai itan itat itbe itea itec iten itet itia itic itie itin itta n-ii naaa naab naac naad naai naan naat naba nabc nabe nabi naca nacc nacd nace naci nada nadc nade nadi naea naia naib naic naid naie nain nait nan- nana nanb nand nane nani nann nant nata natc nate nati natt nbaa nbad nbbc nbca nbcc nbci nbia nbic nbti ncaa ncac ncat ncba ncbc ncbi ncca nccc ncci nccn ncct ncda ncdc ncdn ncea ncec nced ncee ncen ncia ncid ncit ncna ncnc ncnd ncta nctc ncte ndaa ndai ndcc nddb ndde ndei ndia ndic ndna ndnt ndtc neab neac nead nean neat neba nebb nebe nebn neca necc nece nect neda nedc nedd nede nedi neea neeb need neei neen neet neia neic neid nein neit nena nend nene neni nent net- neta netb netd nete neti nett niab niac niad nian nibe nibi nica nicc nicd nice nici nida nidd nide nidi niea nied nien niet niia niit nina nind nine nini nita nitb nitc nite niti nndb nnit nnnn nntn ntbc ntcc ntia ntnd taa- taan taat taba tabb tabc tabe tabi taca tacc tace taci tact tada tade taec taen taia tain tait tana tand tane tani tann tant tata tatb tate tati tatt tbca tbcb tbcc tbcd tbce tbit tbta tcad tcca tccc tcdd tcnn tctc tdac tddb tdna teac tead tean teat teba teca tect teda tedd tede tedi teec teed teen teet teia teic teie tein tena tenb tenc tend tene teni tenn tent teta tete teti tett tiaa tiab tian tiba tibi tica ticc tice tidc tidd tide tie- tiea tied tiee tiei tien tiet tiit tina tinc tind tine tini tinn tint tita titc tite titi titt tnbc tnca tncc tndd tneb ttab ttbb ttcn tten tttt