a-ii a-wa aaaa aaab aaai aaar aaas aaba aabb aabi aabt aabw aaib aaii aais aaoo aaow aara aari aaro aars aart aasa aasi aass aast aata aatt aatw aawt aaww abaa abab abai abar abas abat abaw abb- abba abbb abbi abbo abbr abbs abbt abia abib abir abis abit aboa abob aboo abor abos abot abow abra abri abro abrs abs- absa absi abss absw abta abts abwa abwr aiai aias aiba aibo aiia aiib aiir aioi aira airi airo airs airt aisa aisb aisi aiso aisr aist aita aiti aitr aits aitt aiwa aiwo aoba aora aorb aors aort aoss arab arai arar aras arat araw arba arbi arbs aria arib arii ario aris arit aroa arob aroi aroo aror aros arow arr- arra arri arro arrr arrs arrt ars- arsa arsi arso arst arta arti arto artr arts arwa arwi asaa asab asai asao asar asas asat asba asbo asia asii asio asir asis asit asob asoi asor asos asot asow asra asro asrs assa assi asso assr asss asst asta astb asti asto astr asts at-t ataa atab atai atar atas atat atbs atia atis atit atob atoi ator atos atot atra atri atro atsb atsi atst atta atti atto attr atts atwa atwi atwo atws atwt awar awas awit awoo awow awro awss awst awts awwa awws ba-i baaa baar baas baat baba babb babi babo babr babs baia baib baio bair bais bait baos bar- bara barb bari baro barr bars bart basa basi baso bass bast bata bati bato bats batt baw- bawi baws bbas bbbb bbbs bbwr bbws biao biar bias biat biba bibb bibi bibo bibs biis bio- bioi bios biot bira birb biri biro birr birs birt bis- bisa biso biss bist bita bito bits bitt biw- biwa boab boai boar boas boat boba bobb bobi bobo bobs bobw boi- boii bois boit boob boor boos boot boow bor- bora bori boro borr bors bort borw bosa bosi boso boss bost bota botb boti boto bots bott botw bowa bowi bowr bows bowt brab brai brao bras brat braw bria brio bris brit broa brob broo bror bros brot brow brrr brrs brsb brsr brst bsaa bsas bsat bsaw bsos bsra bsts btaa btob btor btrt btss bttb btwo bwaa iaaa iaai iaas iaat iaba iaia iais iara iars iart iasa iasi iaso iasr iata iati iawa ibar ibas ibat ibia ibis ibos ibot ibra ibri ibro ibsa ibss ibtb ibts ibwa iias iiii iiio iiis iiit iioi iioo iios iira iirs iisi iisr iist iita iitr iitt iiwi ioba iobi ioii ioio ioit iooi iooo ioos iora iori iors ioso iota ioto iowa irai irao irar iras iri- iria irio iris irob irra irri irrs irsa irta irti irts is-a isai isao isar isas isat isaw isba isbt isia isis isit iso- isor isos isra isri issa issi isso issr isss ista isti isto istr ists itaa itai itar itas itat itaw itbs itia itis itoi itoo itor itos itra itri itrs itsa itsi itso itta itto itwa iwai iwao iwar iwas iwis iwiw oais oara oars oasi oass oast oats obai obas obba obbo obia obis obit oboi obor obos obot obra obri obro obsr obss obst obts oiba oiii oios oira oirt oist oita oiti ooaa ooba oobi ooia oooo ooos oora oort oosa oosi oost ootb oots ootw orab orai orao orar oras orat orba orbb orbi orbo orbs ori- oria orio oris orit oro- oror oros orot orra orri orro orrs orsa orsi orso orta orto orts orwa orwo osai osar osas osat osba osia osii osis osoi osoo osor osos osow osro ossa ossb ossi osso osta osti ostr osts otar otas otbs otis otit oto- otoo otor otos otow otra otro otrs otsa otso otta otti otto otts otwo owai owar owia owir owow owsa owt- owtt owwa raab raas raat raba rabb rabi rabo rabs raia raii rair rais rait raob raos rara rarb rari raro rars rasa rasi raso rass rast rata rati rato rats ratt rawa rawr raws raww rbbb rbbr rbbs rbis rbss rbst riaa riab riai rias riat rib- riba ribo ribs riia riis rios riot riri rirs risa risi riso riss rist rita riti rito rits ritt riwo roab roar roas roat rob- roba robb robi robo robs robt roia roio roir rois roit roob rooi roor roos root rora rori roro rort rosa rosi roso ross rost rota roti roto rotr rots rott rowa rowb rowi rowr rows rowt roww rras rrat rrrr rsaa rsai rsbi rsis rsos rssa rsts rtai rtas rtss rtts s-ib s-ii s-os saab saar saas saat saba sabb sabi sabo sabr sabs saia sair sais sait saoi saor saos sara sari saro sarr sars sart sasa sasi saso sass sast sata satb sati sato satr sats satt sawa sawi saws sawt sbaa sbai sbar sbas sbbs sbia sbor sbot sbsa sbsi sbst sbwr siaa siab siai sias siat siba sibi sibo sibs siit sior sios siot sira siri siro sirr sirs sirt sisa sisi siss sist sit- sita siti sito sits sitt siwa siwi soar soas soat soaw soba sobo sobr sobs sobt soia soir sois soit soor soos soot sora sorb sori soro sorr sors sort sosa sosi soso soss sost sota soto sots sotw sowa sowi sowr sows sowt sras sraw srib sris sros srta srtr ssaa ssab ssao ssas ssat ssaw ssbr ssis ssit ssot ssra ssri ssrs sssa sssb sssi ssss ssta sstb ssts ssws stab stai star stas stat staw stbs stia stib stio stir stis stit stoa stob stoo stor stos stot stow stra stri stro strs stsi stss sttr swab swai swar swas swat swbs swbw swir swis swit swob swoo swor swot swow swss swts taa- taar taas taat taba tabb tabi tabo tabs taia taio tair tais tait taoa taor taos tara tarb tari taro tarr tars tart tasa tasb tasi tasr tass tast tata tatb tati tato tatr tats tatt