a-ii a-iv aaaa aaab aaai aaap aaar aaav aaba aabb aabi aabp aabt aaib aaii aaoo aapa aapi aapo aapt aara aari aaro aarp aart aaru aata aatt aaup aava abaa abab abai abap abar abat abau abb- abba abbb abbi abbo abbr abbt abia abib abir abit abiu aboa abob aboo abor abot abou abov abpa abpi abpp abpr abra abri abro abta abtu abua abut abva abvp aiai aiba aibo aiia aiib aiir aioi aipa aipi aira airi airo airp airt aita aiti aitr aitt aitu aiui aiva aoba aopo aora aorb aort aout apai apao apap apar apat apba apbr api- apia apio apip apit apo- apoo apop apor apot apou appa appr appt appu apra apri apro aprt apta apti aptt aptv apua apup arab arai arap arar arat arau arba arbi aria arib arii ario arip arit aroa arob aroi aroo aror arpa arpi arpu arr- arra arri arro arrr arrt arru arta arti arto artr artv arua arub arui arup arut arva arvi arvo at-t ataa atab atai atap atar atat atia atip atit atiu atob atoi atop ator atot atpr atra atri atro atrp atru atta atti atto attp attr attu atua atub atur atvi auaa aur- aura auri auro aut- auto avab avao avar avat avia avio avip avit aviv avor avot avou avpu avra avri avro avui avur avva avvo ba-i baaa baar baat baba babb babi babo babr babu baia baib baio bair bait bapa bapi bapp bapt bapu bar- bara barb bari baro barr bart baru bata bati bato batt batu bau- baur bava bavi bavu bbau bbbb bbpr biao biap biar biat biba bibb bibi bibo bio- bioi biot biou bipa bipp bipu bira birb biri biro birr birt biru bita bito bitt bitu bivi boab boai boar boat boba bobb bobi bobo bobu boi- boii boit boiu boob boop boor boot bopa bopp bor- bora bori boro borr bort boru bota botb boti boto bott boua boup bour bout bova bovi bovo bpai bpot bpti brab brai brao brat brau brav bria brio brit broa brob broo bror brot brou brrr brup brut bruv brvi btaa btbp btob btor btrt bttb btvi buar buat buba bubb bubi bubo bubu buir buit buiu bupa bur- bura burb buri buro burp burr burt buru but- buta buti buto butt iaaa iaai iaap iaat iaba iaia iapa iapp iapt iapu iara iart iaru iata iati iava ibar ibat ibia ibot 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 ipop ippa ippo ippr ipri ipta ipto iptv ipur iput irai irao irap irar irbp iri- iria irio irip irob irop irov irpa irra irri irta irti irtp itaa itai itap itar itat itia itoi itoo itor itou itpa itra itri itta itto itup itur iuiu iupa iupp iura ivai ivao ivar ivbv ivor oaau oapi oara obai obba obbo obia obit oboi obor obot obra obri obro obvi oiav 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 opua orab orai orao orar orat orav orba orbb orbi orbo orbu ori- oria orio orit oro- oror orot orpi orra orri orro orta orto orub orup orvr otap otar otit oto- otoo otor otov otpp otra otro otta otti otto ottu otur ouat ouii ouir ouit oupa oupv our- oura ouro ourt out- outa outb outi outo ouu- ovar ovi- ovo- ovoo ovot ovpp ovra paap paar paat paba pabt pabu paia paib paio paip pair pait papa papb papi papp papr par- para pari paro parp parr part paru parv pata pati pato patr patt patu paua paup paur paut pava pavo pbar pbpa piai piao piat piau pibb pibi piia piip piob piot pipa pipi pipo pipp pira piri piro pirr piru pita piti pito pitr pitt pitu piva pivo poar poat poba pobo poia poio poop poor poot pop- popa popi popo popp popt pora porb pori poro porr port pota poti poto pott potu poui poup pour pout povo ppap ppar ppbv ppib ppoa pppa pppo pppp ppru ppta pptt pptv ppur prai prao prar prat prau pri- pria prii priv pro- proa prob proo prop prot prou prov prri prti prtp prtr prut pruu ptab ptop ptui puao puar pubu puir puit puiu pupa pupi pupu pur- pura purb puri puro purp purr puru put- puta puti puto putt putu pvpa raab raat raba rabb rabi rabo rabu raia raii raip rair rait raiu raob raop rapa rapi rapp rapt rara rarb rari raro rata rati rato ratp ratt ratu raua raub raup raut rava ravi rbbb rbbr riaa riab riai riat riau rib- riba ribo ribu riia riot riou ripa ripi ripp ripr ript riri rita riti rito ritt ritu riva rivo rivp roab roap roar roat rob- roba robb robi robo robt robu roia roio roir roit roiu roob rooi roop roor root ropa ropo rora rori roro rort roru rota roti roto rotr rott roua roub roup rout rova rovi rovo rpii rpob rpta rrat rrrr rtai rtpa rttp rtva rtvi ruba rubb rubi rubp rubu ruit rupa rupp rupt rura ruri ruro rurp ruru ruta ruti ruto rutt rutu ruvi ruvu taa- taar taat taba tabb tabi tabo tabu taia taio taip tair tait taoa taor taou tapa tapi tapo tapp tapr tapt tapu tara tarb tari taro tarp tarr tart taru tata tatb tati tato tatr tatt tatu tatv taua taub taur taut tava tavi tavo tbar tbit tbrb tbta tbtp tbvi tiaa tiab tiao tiar tiba tibi tibu tiit tiiu tiop tiou tip- tipa tipi tipo tipp tipt tipu tira tirb tiri tiro tirr tiru tita titi tito titp titt titu tiva tivi tivo toab toat toau toba tobi tobo tobt tobu toit tooa toor toot top- topa topi topo topp