a-ii aaaa aaab aaai aaap aaba aabb aabi aabp aabt aaib aaii aaoo aapa aapi aapo aapt aata aatt abaa abab abag abai abap abat abb- abba abbb abbi abbo abbt abia abib abig abit aboa abob aboo abot abpa abpi abpp abta ag-o agag agai agao agap agat agba agbo agga aggi agia agib agig agii agio agip agit agob agog agoo agot agta aiai aiba aibo aiga aigo aiia aiib aioi aipa aipi aita aiti aitt aoba aopo apai apao apap apat apba apbg apga api- apia apig apio apip apit apo- apoo apop apot appa appt apta apti aptt at-t ataa atab atai atap atat atgo atia atip atit atob atoi atop atot atta atti atto attp ba-i baaa baat baba babb babi babo baga bagg bagi bago bagt baia baib baig baio bait bapa bapi bapp bapt bata bati bato batt bbbb bbga bgia biao biap biat biba bibb bibi bibo biga bigb bigg bigo bigt bio- biog bioi biot bipa bipp bita bito bitt boab boag boai boat boba bobb bobi bobo boga bogg bogi bogo bogt boi- boii boit boob boog boop boot bopa bopp bota botb boti boto bott bpai bpot bpti btaa btbp btob bttb gaap gaba gabb gabi gabo gabp gabt gaga gagg gagi gago gaia gaig gaip gait gapa gapi gapp gapt gata gati gato gatt gbag gbap gbbo ggbt gggg ggpo giaa giai giap giat giba gibb giga gigg gigi gigo giog gioi giop gipa gipi gipp gita gito goai goat goba gobi gobo goga gogi gogo goip goit goog gooi goop goot gopi gopo gota goti goto gott gpaa gpgp gpip gpot gtaa gtap gtip gtop gtta i-go iaaa iaai iaap iaat iaba iago iaia iapa iapp iapt iata iati ibat ibga ibia ibot ibtb igba igbo igga igia igoo igot igpa iiii iiio iiit iioi iioo iiop iipa iita iitt ioba iobi iogt ioii ioio ioit iooi iooo iota ioto ipat ipba ipop ippa ippo ipta ipto itaa itai itap itat itgo itia itoi itoo itpa itta itto oapi obai obba obbo obia obit oboi obot ogai ogb ogba oggi ogoa ogog ogoi oiba oigo oiii oita oiti ooaa ooba oobi ooia oooo ootb ootp opap opia opii opio opit opo- oppa oppi oppo opti opto otap otit oto- otog otoo otpp otta otti otto paag paap paat paba pabt paga pagb pago paia paib paig paio paip pait papa papb papg papi papp pata pati pato patt pbpa pgaa pgia pgib piai piao piat pibb pibi piga pigb pigg pigo pigp pigt piia piip piob piot pipa pipi pipo pipp pita piti pito pitt poat poba pobo pogg pogo poia poio poop poot pop- popa popi popo popp popt pota poti poto pott ppap ppga ppgi ppib ppig ppoa pppa pppo pppp ppta pptt ptab ptop taa- taag taat taba tabb tabi tabo taga tagg tagi tago taia taig taio taip tait taoa tapa tapi tapo tapp tapt tata tatb tati tato tatt tbit tbta tbtp tiaa tiab tiao tiba tibi tiga tigi tiit tiop tip- tipa tipi tipo tipp tipt tita titi tito titp titt toab toat toba tobi tobo tobt toga togo togt toit tooa toot top- topa topi topo topp topt tota toti toto tott tpap tpbg tpia tppa tppp tptp ttab ttbb ttop tttt