a-ii aaaa aaab aaad aaai aaap aaar aaba aabb aabd aabi aabp aabt aada aadi aadt aaib aaii aapa aapi aapt aara aard aari aarp aart aata aatt abaa abab abad abai abap abar abat abb- abba abbb abbi abbr abbt abda abdi abia abib abid abir abit abpa abpd abpi abpp abpr abra abri abta adaa adab adad adai adap adar adat adba adbi adda addd addi addr adia adib adip adir adit adp- adra adta aiai aiba aida aidb aidi aidr aidt aiia aiib aiid aiir aipa aipi aira aird airi airp airt aita aiti aitr aitt apai apap apar apat apba apbr apda apdd api- apia apid apip apit appa appd appr appt apra apri aprt apta apti aptt arab arad arai arap arar arat arba arbi arda ardi aria arib arid arii arip arit arpa arpi arr- arra arri arrr arrt arta arti artr at-t ataa atab atad atai atap atar atat atdi atdt atia atid atip atit atpr atra atri atrp atta atti attp attr ba-i baaa baad baar baat baba babb babi babr bada badb badd badi badr baia baib baid bair bait bapa bapi bapp bapt bar- bara barb bard bari barr bart bata bati batt bbad bbbb bbdd bbpr bd-r bdii biad biap biar biat biba bibb bibi bida bidi bidr bipa bipp bira birb bird biri birr birt bita bitd bitt bpai bpda bprd bpti brab brad brai brat brda brdt bria brid brit brrr btaa btbp btdt btrt bttb daab daad daap daar daba dabb dabp dabt dada dadi daia daid dair dait dapa dapi dapp dara darb dard dari darp darr dart data dati datp datr datt dbar dbit dbpd dbtt dddd dia- diab diad diap diar diat diba dibb dibp dida didi diii dipa dipp dipt dira dird dirr dirt dita diti ditt dpaa dpdt dppa draa drab drad drap drar drat drba drda drib drip drit drra dtaa dtap dtdp dttp iaaa iaai iaap iaat iaba iadb iadt iaia iapa iapp iapt iara iart iata iati ibad ibar ibat ibia ibid ibra ibrd ibri ibtb idad idar idat idda idia idid idir idra idta idtp iida iiii iiit iipa iira iita iitr iitt ipad ipat ipba ipdi ipid ippa ippr ipri ipta irad irai irap irar irbp irda irdp iri- iria irid irip irpa irra irri irta irti irtp itaa itai itap itar itat itia itpa itra itri itta paap paar paat paba pabt pada padd padi paia paib paid paip pair pait papa papb papi papp papr par- para pard pari parp parr part pata patd pati patr patt pbar pbpa pdpa pdpr piai piat pibb pibi pida piia piip pipa pipi pipp pira piri pirr pita piti pitr pitt ppad ppap ppar ppib ppid pppa pppd pppp ppta pptt prad prai prar prat pri- pria prid prii prpd prrd prri prti prtp prtr ptab ptpd ptrd raab raad raat raba rabb rabi rada radd radr radt raia raid raii raip rair rait rapa rapd rapi rapp rapt rara rarb rari rata rati ratp ratt rbbb rbbr rdap rdbp riaa riab riad riai riat rib- riba rida ridd ridi riia ripa ripd ripi ripp ripr ript riri rita riti ritt rpdp rpii rpta rptd rrad rrat rrrr rtai rtdt rtpa rttp taa- taar taat taba tabb tabi tada taia taip tair tait tapa tapi tapp tapr tapt tara tarb tard tari tarp tarr tart tata tatb tati tatr tatt tbar tbit tbrb tbta tbtp tdap tddb tdra tdri tiaa tiab tiar tiba tibi tidd tiit tip- tipa tipi tipp tipt tira tirb tird tiri tirr tita titi titp titt tpap tpia tpir tppa tppd tppp tppr tptp tptr traa trab trad trai trap trat tri- tria trib trip trit trpa trpp trra trtr ttab ttbb tttt