-ic a-a a-b a-c a-i aaa aab aac aai aan aap aar ab- aba abb abc abi abn abp abr ac- aca acb acc aci acn acp acr ai- aia aib aic aii ain aip air an- ana anb anc ani ann anp anr ap- apa apb apc api apn app apr ar- ara arb arc ari arn arp arr b-p baa bab bac bai ban bap bar bba bbb bbc bbi bbn bbp bbr bca bcb bcc bci bcn bcp bcr bi- bia bib bic bii bin bip bir bna bnb bnc bni bnn bnp bnr bpa bpb bpc bpi bpn bpp bpr bra brb bri brn brp brr c-- caa cab cac cai can cap car cba cbb cbc cbi cbn cbp cbr cca ccb ccc cci ccn ccp ccr ci- cia cib cic cii cin cip cir cn- cna cnb cnc cni cnn cnp cnr cpa cpb cpc cpi cpn cpp cpr cra crb crc cri crn crp crr ia- iaa iab iac iai ian iap iar iba ibb ibc ibi ibn ibp ibr ica icb icc ici icn icp icr iia iib iic iii iin iip iir in- ina inb inc ini inn inp inr ipa ipb ipc ipi ipn ipp ipr ir- ira irb irc iri irn irp irr n-i naa nab nac nai nan nap nar nba nbb nbc nbi nbn nbp nbr nca ncb ncc nci ncn ncp ncr nia nib nic nii nin nip nir nna nnb nnc nni nnn nnp npa npb npc npi npn npp npr nra nrb nrc nri nrn nrp nrr p-p paa pab pac pai pan pap par pba pbb pbc pbi pbn pbp pbr pca pcb pcc pci pcn pcp pcr pia pib pic pii pin pip pir pn- pna pnb pnc pni pnn pnp pnr ppa ppb ppc ppi ppn ppp ppr pra prb prc pri prn prp prr ra- raa rab rac rai ran rap rar rba rbb rbc rbi rbn rbp rbr rca rcb rcc rci rcn rcp rcr ria rib ric rii rin rip rir rna rnb rnc rni rnn rnp rnr rpa rpb rpc rpi rpn rpp rpr rra rrb rrc rri rrn rrp rrr

-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