a-a a-b aaa aab aad aan aap aar aas ab- aba abb abd abn abp abr abs ad- ada adb add adn adp adr ads an- ana anb and ann anp anr ans ap- apa apb apd apn app apr aps ar- ara arb ard arn arp arr ars as- asa asb asd asn asp asr ass b-p baa bab bad ban bap bar bas bba bbb bbd bbn bbp bbr bbs bda bdb bdd bdp bdr bds bna bnb bnd bnn bnp bnr bns bpa bpb bpd bpn bpp bpr bps bra brb brd brn brp brr brs bsa bsb bsd bsn bsp bsr bss daa dab dad dan dap dar das dba dbb dbd dbn dbp dbr dbs dda ddb ddd ddn ddp ddr dds dna dnb dnd dnn dnp dnr dns dpa dpb dpd dpn dpp dpr dps dra drb drd drn drp drr drs dsa dsb dsd dsn dsp dsr dss naa nab nad nan nap nar nas nba nbb nbd nbn nbp nbr nbs nda ndb ndd ndn ndp ndr nds nna nnb nnn nnp nns npa npb npd npn npp npr nps nra nrb nrd nrn nrp nrr nrs nsa nsb nsd nsn nsp nsr nss p-p paa pab pad pan pap par pas pba pbb pbd pbn pbp pbr pbs pda pdb pdd pdn pdp pdr pds pn- pna pnb pnd pnn pnp pnr pns ppa ppb ppd ppn ppp ppr pps pra prb prd prn prp prr prs ps- psa psb psd psn psp psr pss ra- raa rab rad ran rap rar ras rba rbb rbd rbn rbp rbr rbs rda rdb rdd rdn rdp rdr rds rna rnb rnd rnn rnp rnr rns rpa rpb rpd rpn rpp rpr rps rra rrb rrd rrn rrp rrr rrs rsa rsb rsd rsn rsp rsr rss saa sab sad san sap sar sas sba sbb sbd sbn sbp sbr sbs sda sdb sdd sdn sdp sdr sds sna snb snd snn snp snr sns spa spb spd spn spp spr sps sr- sra srb srd srn srp srr srs ss- ssa ssb ssd ssn ssp ssr sss

-ana aaaa aaab aaad aaan aaap aaar aaas aaba aabb aabd aabp aada aads aana aand aanp aapa aaps aara aard aarp aars aasa aasd aass abaa abab abad aban abap abar abas abb- abba abbb abbr abbs abda abpa abpd abpn abpp abpr abps abra abrs abs- absa absd absp abss adaa adab adad adan adap adar adas adba adda addd addn addr adds adna adnp adns adp- adps adra adrs adsa adsr adss ana- anaa anab anad anan anap anar anas anba anbb and- anda andr ands anna annb anns anp- anpa anpp anpr ansa ansd ansp apan apap apar apas apba apbr apbs apda apdd apds apna appa appd appr apps apra aprn aprs apsa apss arab arad aran arap arar aras arba arbs arda ards arna arnd arns arpa arps arr- arra arrr arrs ars- arsa arsd asaa asab asad asan asap asar asas asba asda asds aspa aspd aspr asps asra asrs assa assd assn assp assr asss baaa baad baan baar baas baba babb babr babs bada badb badd badr bads bana band bann banp banr bans bapa bapp baps bar- bara barb bard barn barr bars basa bass bbad bbas bbbb bbbs bbdd bbpr bd-r bdna bdsd bnas bnpp bnrr bnss bpda bprd bpsa brab brad bran bras brda brds brna brns brrr brrs brsb brsr bsaa bsap bsas bsbd bsnd bsns bspp bspr bsra bsrd bssd d-na daab daad daan daap daar daas daba dabb dabp dabs dada dads dana dand dann danr dans dapa dapp daps dara darb dard darn darp darr dars dasa dasb dasd dass dbar dbas dbpd dbrn dbrs dbsa dbss dddd ddps ddss dnaa dnab dnad dnan dnap dnas dnsa dpaa dppa dpsd draa drab drad drap drar dras drba drda drna drra drrs drsa drsp dsap dsba dsda dsdp dsdr dsps dsrp dsrr dssa dssn dssp naaa naab naad naan naar naas naba nabs nada nadp nadr nads nan- nana nanb nand nann nanp nans napa napb napp naps nara nard narn narp narr nars nas- nasa nasb nasd nasp nasr nass nbaa nbad nbap nbar nbas nbpa nbpp nbps nbsp ndaa ndas nddb ndna ndnp ndpd ndpr ndps ndss nndb nnnn nnpr nnsa nnss npap npas npda nppa nppd npra npsa npss nrab nrap nras nrds nrna nrpn nrps nrrd nrsa nrsp nsaa nsar nsds nsna nsnr nsps nsra nsrd nssa nssb nssp nssr nsss paan paap paar paas paba pada padd pads pan- pana pand pann pans papa papb papp papr paps par- para pard parn parp parr pars pasa pasd pasp pass pban pbar pbpa pbrs pbsa pbsp pdas pdbs pdns pdpa pdpn pdpr pdrs pdsa pdsd pdss pnar pnas pnpp pnra ppad ppan ppap ppar ppds pppa pppd pppn pppp ppps ppss prad pran prar pras prbs prna prnd prnp prpd prps prrd prrs prsa prsd prss psap psas psbd psbr psdp psdr psds psna psnr pspp pspr psps psrd psrp pssa raab raad raan raas raba rabb rabs rada radd radr rads rana rand rann rans rapa rapd rapp raps rara rarb rars rasa rasd rasp rass rbbb rbbr rbbs rbds rbsd rbsp rbss rdap rdas rdbp rdna rnas rnbr rndp rnds rnsp rpdp rppn rpps rrad rras rrna rrrr rrsp rsaa rsdd rsds rsna rsnn rsnr rspb rsps rssa saab saad saan saap saar saas saba sabb sabr sabs sada sadb sadd sadr sads sana sand sann sanr sans sapa sapp saps sara sard sarn sarp sarr sars sasa sasd sass sbaa sbar sbas sbbs sbds sbsa sbsd sbsp sdap sdba sdds sdna sdpr sdps sdrs sdss snab snad snap snar snas snba snda snns snpp snra snrs snsd sp-a spad span spap spar spas spdp spdr spns sppd spps sprd sprs spsa spsd spsp spss sras srna srnn srps srsd srsp ssaa ssab ssan ssap ssas ssbn ssbr ssdd ssdp ssns sspa ssps ssra