-ana a-ii aaaa aaab aaac aaai aaan aaap aaar aaba aabb aabc aabi aabp aaca aacb aacc aaci aacn aacp aacr aaib aaic aaii aain aana aani aanp aapa aapc aapi aara aarc aari aarp abaa abab abac abai aban abap abar abb- abba abbb abbi abbr abca abcb abcc abci abcn abcp abcr abia abib abic abin abir abpa abpc abpi abpn abpp abpr abra abrc abri acaa acab acac acai acan acap acar acba acca accc acci accp aci- acia acic acin acip acir acpa acpi acpr acr- acra acrc acri acrr aiai aian aiba aibn aica aicc aicp aicr aiia aiib aiic aiin aiir aina ainc aini aipa aipi aira airi airp ana- anaa anab anac anai anan anap anar anba anbb anbi anca ancc ania anib anic anin anip anir anna annb anni anp- anpa anpi anpp anpr anrc anri apac apai apan apap apar apba apbr apca apcb apcc apcn apcr api- apia apic apin apip apna apni appa appc appr apra aprc apri aprn arab arac arai aran arap arar arba arbi arc- arca arci aria arib arii arin arip arna arni arpa arpi arr- arra arrc arri arrr ba-i baaa baan baar baba babb babi babr bac- baca bacc baci bacn baia baib baic bain bair bana banc bani bann banp banr bapa bapc bapi bapp bar- bara barb barc bari barn barr bbbb bbci bbin bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bcci bcia bcpp bcra bian biap biar biba bibb bibi bica bicc bici biin bin- bina binc bini binn bipa bipp bira birb biri birn birr bnai bnib bnin bnpp bnrr bpai bpcp bprc brab brac brai bran brca brcb bria bric brin brna brrr caaa caab caac caan caap caba cabi cac- caca cacc caci cacr caia caib caic cain caip cair cana canc cani cann canp capa capb capc capi capn capp cara carb carc cari carn carp carr cbac cbar cbbc cbca cbcc cbcn cbcp cbcr cbia cbir cbna cbpc cbpp cbrn ccaa ccab ccac ccai ccap ccar ccba ccbc ccbn ccca cccb cccc ccci cccp ccic ccii ccip ccir ccna ccnb ccnc ccni ccnp ccnr ccpa ccpn ccpp ccpr ccra ccrc ccri ccrp ciaa cian ciar ciba cibc cibi cica cicc cici cicr ciia ciii cin- cina cinc cini cipa cipp cira cirb circ ciri cirr cnaa cnac cnap cnbc cnbp cnci cncp cnib cnic cnna cnpa cnrc cnrr cpaa cpac cpan cpap cpbc cpca cpia cpic cpnb cpni cppa cpri crab crac crai cran crap crar crbc crca crcc crcr cria crib cric crin crip crna crpc iaaa iaac iaai iaap iaba iaca iacc iacp iacr iaia iain iana iapa iapp iara iarc ibac iban ibar ibca ibia ibra ibrc ibri icaa icab icac icai ican icap icar icbc icbp icca iccb iccc icci iccn iccp iccr icnb icnc icpa icpc icra icrc icrr iiac iica iiii iipa iira iirc inab inac inai inan inap inar inba inca incb inci incr inia inna inni innr inp- inpa inpi inpp inra inri ipac ipan ipba ipca ipcc ipin ipna ippa ippc ippr ipri irac irai iran irap irar irbp irca ircc iri- iria iric irin irip irna irpa irpc irra irrc irri n-ii naaa naab naac naai naan naar naba nabc nabi naca nacc naci nacp naia naib naic nain naip nair nan- nana nanb nani nann nanp napa napb napi napp nara narc nari narn narp narr nbaa nbap nbar nbbc nbca nbcc nbci nbia nbic nbpa nbpp ncaa ncac ncap ncar ncba ncbc ncbi ncca nccc ncci nccn nccp nccr ncia ncip ncna ncnc ncpa ncpc ncra ncrc ncri ncrp niab niac nian nibi nica nicc nici niia niip niir nina nini nipa nipc nipr nira nnnn nnpi nnpr npac npap npca npcc npic npin nppa nppc npra npri nrab nrap nrca nric nrna nrpc nrpn nrrc paan paap paar paba paca paci paia paib pain paip pair pan- pana panc pani pann papa papb papi papp papr par- para parc pari parn parp parr pbac pban pbar pbcc pbpa pcaa pcap pcba pcbc pcca pccc pcia pcin pcip pcpb pcpn pcpp pcra pcrc piai pian pibb pibi pica picc pici picr piia piip pina pinc pini pinn pinp pipa pipi pipp pira pirc piri pirn pirr pnac pnar pnca pnic pnin pnpp pnra ppac ppan ppap ppar ppcc ppci ppib ppic pppa pppn pppp pprc prai pran prar prbc prca prcc prcp pri- pria prii prin prna prnp prri raab raan raba rabb rabi rac- raca racc raci raia raic raii rain raip rair rana ranc rani rann rapa rapc rapi rapp rara rarb rari rbbb rbbr rcac rcbc rccb rccc rcic rcnr rcpi riaa riab riai rian rib- riba rica ricc riia riin rina rinn ripa ripi ripp ripr riri rnai rnbr rncp rnin rpca rpii rppn rrna rrrr