a-ii aaaa aaab aaai aaap aaba aabb aabi aabp aaib aaii aaoo aapa aapi aapo abaa abab abag abai abap abb- abba abbb abbi abbo abia abib abig aboa abob aboo abpa abpi abpp ag-o agag agai agao agap agba agbo agga aggi agia agib agig agii agio agip agob agog agoo aiai aiba aibo aiga aigo aiia aiib aioi aipa aipi aoba aopo apai apao apap apba apbg apga api- apia apig apio apip apo- apoo apop appa ba-i baaa baba babb babi babo baga bagg bagi bago baia baib baig baio bapa bapi bapp bbbb bbga bgia biao biap biba bibb bibi bibo biga bigb bigg bigo bio- biog bioi bipa bipp boab boag boai boba bobb bobi bobo boga bogg bogi bogo boi- boii boob boog boop bopa bopp bpai gaap gaba gabb gabi gabo gabp gaga gagg gagi gago gaia gaig gaip gapa gapi gapp gbag gbap gbbo gggg ggpo giaa giai giap giba gibb giga gigg gigi gigo giog gioi giop gipa gipi gipp goai goba gobi gobo goga gogi gogo goip goog gooi goop gopi gopo gpaa gpgp gpip i-go iaaa iaai iaap iaba iago iaia iapa iapp ibga ibia igba igbo igga igia igoo igpa iiii iiio iioi iioo iiop iipa ioba iobi ioii ioio iooi iooo ipba ipop ippa ippo oapi obai obba obbo obia oboi ogai ogb ogba oggi ogoa ogog ogoi oiba oigo oiii ooaa ooba oobi ooia oooo opap opia opii opio opo- oppa oppi oppo paag paap paba paga pagb pago paia paib paig paio paip papa papb papg papi papp pbpa pgaa pgia pgib piai piao pibb pibi piga pigb pigg pigo pigp piia piip piob pipa pipi pipo pipp poba pobo pogg pogo poia poio poop pop- popa popi popo popp ppap ppga ppgi ppib ppig ppoa pppa pppo pppp