a-ii aaaa aaab aaai aaap aaar aaba aabb aabi aabp aabt aaib aaii aaoo aapa aapi aapo aapt aara aari aaro aarp aart aata aatt abaa abab abai abap abar abat abax abb- abba abbb abbi abbo abbr abbt abia abib abir abit aboa abob aboo abor abot abox abpa abpi abpp abpr abra abri abro abta aiai aiba aibo aiia aiib aiir aioi aipa aipi aira airi airo airp airt airx aita aiti aitr aitt aixa aixi aoba aopo aora aorb aort apai apao apap apar apat apax apba apbr api- apia apio apip apit apix apo- apoo apop apor apot apox appa appr appt appx apra apri apro aprt apta apti aptt aptx arab arai arap arar arat arax arba arbi aria arib arii ario arip arit aroa arob aroi aroo aror arpa arpi arr- arra arri arro arrr arrt arta arti arto artr artx at-t at-x ataa atab atai atap atar atat atax atia atip atit atob atoi atop ator atot atpr atra atri atro atrp atrx atta atti atto attp attr axar axat axi- axia axo- axoa axto axxo ba-i ba-x baaa baar baat baba babb babi babo babr baia baib baio bair bait baix bapa bapi bapp bapt bar- bara barb bari baro barr bart barx bata bati bato batt baxi baxt bbbb bbox bbpr biao biap biar biat biba bibb bibi bibo bio- bioi biot biox bipa bipp bira birb biri biro birr birt birx bita bito bitt bitx bixa bixi boab boai boar boat boba bobb bobi bobo boi- boii boit boob boop boor boot boox bopa bopp bor- bora bori boro borr bort bota botb boti boto bott boxa bpai bpot bpti brab brai brao brat brax bria brio brit brix broa brob broo bror brot brox brrr btaa btbp btob btor btrt bttb iaaa iaai iaap iaat iaba iaia iapa iapp iapt iapx iara iart iata iati ibar ibat ibia ibot ibox ibra ibri ibro ibtb iiii iiio iiit iioi iioo iiop iipa iira iita iitr iitt ioba iobi ioii ioio ioit iooi iooo iora iori iota ioto ipat ipba ipix ipop ippa ippo ippr ipri ipta ipto irai irao irap irar irbp iri- iria irio irip irix irob irop irpa irra irri irta irti irtp itaa itai itap itar itat itia itoi itoo itor itpa itra itri itta itto ixia ixxi oapi oara obai obba obbo obia obit obix oboi obor obot obox obra obri obro oiba oiii oira oirt oita oiti ooaa ooba oobi ooia oooo oora oort ootb ootp opap opar opia opii opio opit opo- opor oppa oppi oppo opra opti opto orab orai orao orar orat orba orbb orbi orbo ori- oria orio orit orix oro- oror orot orpi orra orri orro orta orto otap otar otit oto- otoo otor otpp otra otro otta otti otto oxa- oxi- oxia oxo- oxox oxxo paap paar paat paba pabt pabx paia paib paio paip pair pait paix paox papa papb papi papp papr par- para pari paro parp parr part pata pati pato patr patt paxi paxo pbar pbpa piai piao piat pibb pibi piia piip piob piot pipa pipi pipo pipp pira piri piro pirr pita piti pito pitr pitt pitx pixo pixx poar poat poba pobo poia poio poix poop poor poot pop- popa popi popo popp popt pora porb pori poro porr port pota poti poto pott ppap ppar ppib ppoa pppa pppo pppp ppta pptt prai prao prar prat pri- pria prii prix pro- proa prob proo prop prot prox prri prti prtp prtr ptab ptop ptox raab raat raba rabb rabi rabo raia raii raip rair rait raix raob raop rapa rapi rapp rapt rara rarb rari raro rata rati rato ratp ratt raxa raxi rbbb rbbr riaa riab riai riat rib- riba ribo riia riot ripa ripi ripp ripr ript riri rita riti rito ritt rixo roab roap roar roat rob- roba robb robi robo robt roia roio roir roit roob rooi roop roor root roox ropa ropo rora rori roro rort rota roti roto rotr rott roxa roxo rpii rpix rpob rpta rrat rrrr rtai rtpa rttp taa- taar taat taba tabb tabi tabo taia taio taip tair tait taix taoa taor tapa tapi tapo tapp tapr tapt tara tarb tari taro tarp tarr tart tata tatb tati tato tatr tatt tax- taxa taxi taxo taxt tbar tbit tbox tbrb tbta tbtp tiaa tiab tiao tiar tiax tiba tibi tiit tiop tip- tipa tipi tipo tipp tipt tira tirb tiri tiro tirr tita titi tito titp titt tixt toab toat toba tobi tobo tobt toit tooa toor toot top- topa topi topo topp topt tora tori toro torp torr tort torx tota toti toto totr tott tox- toxa toxi toxo toxt tpap tpia tpir tppa tppp tppr tptp tptr traa trab trai trao trap trat trax tri- tria trib trio trip trit trix troa troi troo trop trot trox trpa trpp trra trtr ttab ttbb ttop tttt txaa txii txtr xaar xait xapi xapo xara xbai xbar xbox xbra xiao xiap xibo xiii xita xito xixi xoro xorp xoxo xpax xpot xpra xpto xtar xtra xtro xxii xxix xxxi xxxo xxxx