-ana a-ii aaaa aaab aaac aaai aaal aaan aaap aaba aabb aabc aabi aabl aabp aaca aacb aacc aaci aacl aacn aacp aaib aaic aaii aain aala aalc aali aall aana aani aanp aapa aapc aapi aapl abaa abab abac abai abal aban abap abb- abba abbb abbi abca abcb abcc abci abcl abcn abcp abia abib abic abil abin abla abpa abpc abpi abpn abpp acaa acab acac acai acan acap acba acbl acca accc acci accp aci- acia acic acin acip acla aclc acli acpa acpi aiai aian aiba aibl aibn aica aicc aicp aiia aiib aiic aiin aila aili aina ainc aini aipa aipi al-p alaa alac alai alal alan alap alb- alba albc albi alca alcc ali- alia alib alii alil alin alip all- alla alli alll alln alna alni alpa alpi alpl ana- anaa anab anac anai anal anan anap anba anbb anbi anbl anca ancc ania anib anic anil anin anip anla anlc anli anln anlp anna annb anni anp- anpa anpi anpp apac apai apal apan apap apba apca apcb apcc apcn api- apia apic apin apip apl- apla aplp apna apni appa appc appl ba-i baaa baal baan baba babb babi bac- baca bacc baci bacn baia baib baic bail bain bala balc bali ball bana banc bani bann banp bapa bapc bapi bapp bbbb bbci bbin bblb bcaa bcap bcbc bcbp bcca bccc bcci bccl bcia bcpl bcpp bial bian biap biba bibb bibi bibl bica bicc bici biin bila bili bill bin- bina binc bini binn bipa bipp blaa blab blac blan blic blin blip blni bnai bnib bnin bnpp bpai bpcp caaa caab caac caal caan caap caba cabi cac- caca cacc caci caia caib caic cail cain caip cala calc cali call calp cana canc cani cann canp capa capb capc capi capn capp cbac cbal cbbc cbca cbcc cbcl cbcn cbcp cbia cblb cblc cbln cbna cbpc cbpp ccaa ccab ccac ccai ccap ccba ccbc ccbn ccca cccb cccc ccci cccl cccp ccic ccii ccil ccip ccla cclc ccli ccna ccnb ccnc ccni ccnp ccpa ccpl ccpn ccpp ciaa cial cian ciba cibc cibi cica cicc cici ciia ciii cila cili cill cilp cin- cina cinc cini cipa cipp clab clai clan clap clib clic clii clin clip clpb clpp cnaa cnac cnap cnbc cnbl cnbp cnci cncp cnib cnic cnna cnpa cpaa cpac cpan cpap cpbc cpca cpia cpic cplc cpnb cpni cppa iaaa iaac iaai iaal iaap iaba iaca iacc iacp iaia iain iala iall iana iapa iapp ibac iban ibca ibia icaa icab icac icai ical ican icap icbc icbp icca iccb iccc icci iccl iccn iccp icll iclp icnb icnc icpa icpc iiac iica iiii iila iipa ilac ilal ilan ilbc ilca ilia ilic ilin ill- illa illi illp ilni ilpa inab inac inai inal inan inap inba inca incb inci incl inia inla inna inni inp- inpa inpi inpp ipac ipan ipba ipca ipcc ipil ipin ipna ippa ippc laaa laac laal laan laap laba labi laca lacc laci lacl lacp laia laic lail lain laip lala lali lall lan- lana lanc lani lann lapa lapb lapc lapi lapp lbcc lbia lcac lcbc lcca lccc lcia lcpa lcpc lcpl liac lian liba libc lica liia liii liin lila lilb lili lill lina linc linn lip- lipa lipb lipc lipi lipl lipp llan llcc lllc llll lnbp lpac lpla lppl n-ii naaa naab naac naai naal naan naba nabc nabi nabl naca nacc naci nacl nacp naia naib naic nail nain naip nala nalc nali nall nalp nan- nana nanb nani nann nanp napa napb napi napp nbaa nbap nbbc nbca nbcc nbci nbia nbic nbpa nbpp ncaa ncac ncap ncba ncbc ncbi ncca nccc ncci nccn nccp ncia ncip nclc ncln ncna ncnc ncpa ncpc niab niac nial nian nibi nica nicc nici nicl niia niip nila nili nill nilp nina nini ninl nipa nipc nlab nlcc nlic nlpa nlpc nnnn nnpi npac npap npbl npca npcc npic npin nppa nppc nppl paal paan paap paba paca paci paia paib pail pain paip pala pali pall palp pan- pana panc pani pann papa papb papi papp pbac pban pbcc pbil pbpa pcaa pcap pcba pcbc pcca pccc pccl pcia pcin pcip pcll pcpb pcpn pcpp piai pial pian pibb pibi pica picc pici piia piip pil- pila pili pill pina pinc pini pinn pinp pipa pipi pipp plaa plab plac plai plan plap plcc plib plin plip plpa plpp pnac pnca pnic pnin pnln pnnl pnpp ppac ppal ppan ppap ppcc ppci ppib ppic ppli pppa pppn pppp