a-ii aaaa aaab aaai aaas aaba aabb aabi aabt aaib aaii aais aaoo aasa aasi aass aast aata aatt abaa abab abag abai abas abat abb- abba abbb abbi abbo abbs abbt abia abib abig abis abit aboa abob aboo abos abot abs- absa absi abss abta abts ag-o agag agai agao agas agat agba agbo agga aggi agia agib agig agii agio agis agit agob agog agoo agos agot agsa agsg agst agta agts aiai aias aiba aibo aiga aigo aiia aiib aioi aisa aisb aisg aisi aiso aist aita aiti aits aitt aoba aoss asaa asab asag asai asao asas asat asba asbo asgt asia asii asio asis asit asob asog asoi asos asot assa assi asso asss asst asta astb asti asto asts at-t ataa atab atai atas atat atbs atgo atia atis atit atob atoi atos atot atsb atsi atst atta atti atto atts ba-i baaa baas baat baba babb babi babo babs baga bagg bagi bago bags bagt baia baib baig baio bais bait baos basa basi baso bass bast bata bati bato bats batt bbas bbbb bbbs bbga bggs bgia bgst biao bias biat biba bibb bibi bibo bibs biga bigb bigg bigo bigs bigt biis bio- biog bioi bios biot bis- bisa biso biss bist bita bito bits bitt boab boag boai boas boat boba bobb bobi bobo bobs boga bogg bogi bogo bogs bogt boi- boii bois boit boob boog boos boot bosa bosi boso boss bost bota botb boti boto bots bott bsaa bsas bsat bsgs bsos bsts btaa btob btss bttb gaas gaba gabb gabi gabo gabs gabt gaga gagg gagi gago gags gaia gaig gais gait gaos gasa gasb gasi gaso gass gast gata gati gato gats gatt gbag gbas gbbo gbbs ggbt gggg ggss giaa giai gias giat giba gibb gibs giga gigg gigi gigo gigs giis giog gioi gisa giss gist gita gito gits goai goas goat goba gobi gobo gobs goga gogi gogo gogs gois goit goog gooi goos goot gosi goso goss gost gota goti goto gots gott gsab gsat gsis gsos gtaa gtos gtta i-go iaaa iaai iaas iaat iaba iago iags iaia iais iasa iasi iaso iata iati ibas ibat ibga ibia ibis ibos ibot ibsa ibss ibtb ibts igas igba igbo igga iggs igia igis igoo igot igso iias iiii iiio iiis iiit iioi iioo iios iisi iist iita iitt ioba iobi iogt ioii ioio ioit iooi iooo ioos ioso iota ioto is-a isai isao isas isat isba isbt isia isis isit iso- isos issa issi isso isss ista isti isto ists itaa itai itas itat itbs itgo itgs itia itis itoi itoo itos itsa itsi itso itta itto oais oasi oass oast oats obai obas obba obbo obia obis obit oboi obos obot obss obst obts ogai ogb ogba oggi ogoa ogog ogoi ogsi oiba oigo oiii oios oist oita oiti ooaa ooba oobi ooia oooo ooos oosa oosi oost ootb oots osag osai osas osat osba osgi osia osii osis osoi osoo osos ossa ossb ossi osso osta osti osts otas otbs otis otit oto- otog otoo otos otsa otsg otso otta otti otto otts s-ib s-ii s-os saab saag saas saat saba sabb sabi sabo sabs saga sagg sagi sago sags sagt saia sais sait saoi saos sasa sasi saso sass sast sata satb satg sati sato sats satt sbaa sbai sbas sbbs sbia sbig sbot sbsa sbsi sbst sgaa sggg sggs sgio sgss sgta sgts siaa siab siag siai sias siat siba sibi sibo sibs siga sigg sigi sigo sigs siit sios siot sisa sisi siss sist sit- sita siti sito sits sitt soas soat soba sobo sobs sobt soga sogi sogo sogs soia sois soit soog soos soot sosa sosi soso soss sost sota soto sots ssaa ssab ssao ssas ssat ssgs ssgt ssis ssit ssot sssa sssb sssi ssss ssta sstb ssts stab stag stai stas stat stbs stia stib stig stio stis stit stoa stob stog stoo stos stot stsi stss taa- taag taas taat taba tabb tabi tabo tabs taga tagg tagi tago tags taia taig taio tais tait taoa taos tasa tasb tasi tass tast tata tatb tati tato tats tatt tbas tbbs tbgs tbit tbst tbta tgts tiaa tiab tiao tias tiba tibi tibs tiga tigi tigs tiit tios tisa tisb tisi tiso tiss tist tita titi tito tits titt toab toas toat toba tobi tobo tobs tobt toga togo togs togt tois toit tooa toos toot tosa tosb tosi toso toss tost tota toti toto tots tott tsaa tsai tsao tsat tsgt tsia tsig tsis tsob tsoi tsos tssa tssg tssi tsst tsts ttab ttbb ttss tttt