a-a a-b a-i aaa aab aai aan aap aar aas ab- aba abb abi abn abp abr abs ai- aia aib aii ain aip air ais an- ana anb ani ann anp anr ans ap- apa apb api apn app apr aps ar- ara arb ari arn arp arr ars as- asa asb asi asn asp asr ass b-p baa bab bai ban bap bar bas bba bbb bbi bbn bbp bbr bbs bi- bia bib bii bin bip bir bis bna bnb bni bnn bnp bnr bns bpa bpb bpi bpn bpp bpr bps bra brb bri brn brp brr brs bsa bsb bsi bsn bsp bsr bss ia- iaa iab iai ian iap iar ias iba ibb ibi ibn ibp ibr ibs iia iib iii iin iip iir iis in- ina inb ini inn inp inr ins ipa ipb ipi ipn ipp ipr ips ir- ira irb iri irn irp irr irs is- isa isb isi isn isp isr iss n-i naa nab nai nan nap nar nas nba nbb nbi nbn nbp nbr nbs nia nib nii nin nip nir nis nna nnb nni nnn nnp nns npa npb npi npn npp npr nps nra nrb nri nrn nrp nrr nrs nsa nsb nsi nsn nsp nsr nss p-p paa pab pai pan pap par pas pba pbb pbi pbn pbp pbr pbs pia pib pii pin pip pir pis pn- pna pnb pni pnn pnp pnr pns ppa ppb ppi ppn ppp ppr pps pra prb pri prn prp prr prs ps- psa psb psi psn psp psr pss ra- raa rab rai ran rap rar ras rba rbb rbi rbn rbp rbr rbs ria rib rii rin rip rir ris rna rnb rni rnn rnp rnr rns rpa rpb rpi rpn rpp rpr rps rra rrb rri rrn rrp rrr rrs rsa rsb rsi rsn rsp rsr rss saa sab sai san sap sar sas sba sbb sbi sbn sbp sbr sbs sia sib sii sin sip sir sis sna snb sni snn snp snr sns spa spb spi spn spp spr sps sr- sra srb sri srn srp srr srs ss- ssa ssb ssi ssn ssp ssr sss

-ana a-ii aaaa aaab aaai aaan aaap aaar aaas aaba aabb aabi aabp aaib aaii aain aais aana aani aanp aapa aapi aaps aara aari aarp aars aasa aasi aass abaa abab abai aban abap abar abas abb- abba abbb abbi abbr abbs abia abib abin abir abis abpa abpi abpn abpp abpr abps abra abri abrs abs- absa absi absp abss aiai aian aias aiba aibn aiia aiib aiin aiir aina aini ains aipa aipi aips aira airi airp airs aisa aisb aisi aisr ana- anaa anab anai anan anap anar anas anba anbb anbi ania anib anin anip anir anis anna annb anni anns anp- anpa anpi anpp anpr anri ansa ansi ansp apai apan apap apar apas apba apbr apbs api- apia apin apip apis apna apni appa appr apps apra apri aprn aprs apsa apsi apss arab arai aran arap arar aras arba arbi arbs aria arib arii arin arip aris arna arni arns arpa arpi arps arr- arra arri arrr arrs ars- arsa arsi asaa asab asai asan asap asar asas asba asia asii asin asip asir asis asni aspa aspi aspr asps asra asrs assa assi assn assp assr asss ba-i baaa baan baar baas baba babb babi babr babs baia baib bain bair bais bana bani bann banp banr bans bapa bapi bapp baps bar- bara barb bari barn barr bars basa basi bass bbas bbbb bbbs bbin bbpr bian biap biar bias biba bibb bibi bibs biin biis bin- bina bini binn bins bipa bipp bips bira birb biri birn birr birs bis- bisa bisp biss bnai bnas bnib bnin bnpp bnrr bnss bpai bpsa brab brai bran bras bria brin bris brna brns brrr brrs brsb brsr bsaa bsap bsas bsin bsns bspp bspr bsra iaaa iaai iaap iaas iaba iaia iain iais iana ians iapa iapp iaps iara iars iasa iasi iasp iasr iban ibar ibas ibia ibis ibns ibra ibri ibsa ibsn ibss iias iiii iiis iipa iira iirs iisi iisp iisr inab inai inan inap inar inas inba inia inis inna inni innr inns inp- inpa inpi inpp inra inri inrs insa insp inss ipan ipas ipba ipin ipna ippa ippr ipri ipsa ipsi ipsp ipss irai iran irap irar iras irbp iri- iria irin irip iris irna irpa irps irra irri irrs irsa irsp is-a isai isan isar isas isba isbn isia isin isis isna ispa ispr isps isra isri isrp issa issi issp issr isss n-ii naaa naab naai naan naar naas naba nabi nabs naia naib nain naip nair nais nan- nana nanb nani nann nanp nans napa napb napi napp naps nara nari narn narp narr nars nas- nasa nasb nasi nasp nasr nass nbaa nbap nbar nbas nbia nbpa nbpp nbps nbsp niab nian nias nibi nibs niia niip niir nina nini nins nipa nipr nips nira nirs nisa nisi nisp niss nnnn nnpi nnpr nnsa nnss npap npas npin nppa npra npri npsa npss nrab nrap nras nrna nrpn nrps nrsa nrsp nsaa nsai nsar nsin nsis nsna nsnr nspi nsps nsra nssa nssb nssp nssr nsss paan paap paar paas paba paia paib pain paip pair pais pan- pana pani pann pans papa papb papi papp papr paps par- para pari parn parp parr pars pasa pasi pasp pass pban pbar pbpa pbrs pbsa pbsp piai pian pias pibb pibi piia piip pina pini pinn pinp pins pipa pipi pipp pips pira piri pirn pirr pirs pisa pisi piss pnar pnas pnin pnpp pnra ppan ppap ppar ppib pppa pppn pppp ppps ppss prai pran prar pras prbs pri- pria prii prin pris prna prnp prps prri prrs prsa prsi prss psap psas psbr psia psip psis psna psni psnr pspi pspp pspr psps psrp pssa raab raan raas raba rabb rabi rabs raia raii rain raip