a-ii aaaa aaab aaai aaal aaap aaba aabb aabi aabl aabp aaib aaii aala aali aall aalo aaoo aapa aapi aapl aapo abaa abab abai abal abap abb- abba abbb abbi abbo abia abib abil abla ablo aboa abob abol aboo abpa abpi abpp aiai aiba aibl aibo aiia aiib aila aili aioi aipa aipi al-p alaa alai alal alao alap alb- alba albi albo ali- alia alib alii alil alio alip all- alla alli alll allo aloa aloi alol aloo alop alpa alpi alpl alpo aoba aola aopo apai apal apao apap apba api- apia apio apip apl- apla aplp apo- apoo apop appa appl ba-i baaa baal baba babb babi babo baia baib bail baio bala bali ball balo baol bapa bapi bapp bbbb bblb bial biao biap biba bibb bibi bibl bibo bila bili bill bilo bio- bioi biol bipa bipp blaa blab blio blip blob bloo blop boab boai boal boba bobb bobi bobo boi- boii boil bola boli boll bolo boob bool boop bopa bopp bpai iaaa iaai iaal iaap iaba iaia iala iall iapa iapp ibia iiii iiio iila iioi iioo iiop iipa ilal ilia ilio ill- illa illi illo illp iloo ilpa ioba iobi ioii ioio iola iolo iooi iooo iopl ipba ipil iplo ipop ippa ippo laaa laal laap laba labi labo laia lail laip lala lali lall lalo lapa lapb lapi lapp lbia liao liba libo liia liii lila lilb lili lill lilo lio- lip- lipa lipb lipi lipl lipo lipp llao llll lloa lloo loap lob- loba lobb lobi lobo lola loli loll lolo loob lool loop lopa lopi lopp lpla lppl oall oapi obai obal obba obbo obia obla oboi obol oiba oiii oila olba olbo olia olib olio olla olli ollo ooaa ooba oobi ooia oola oolo oooo opal opap opia opii opio opla opo- oppa oppi oppo paal paap paba paia paib pail paio paip pala pali pall palo palp papa papb papi papp pbil pbpa piai pial piao pibb pibi piia piip pil- pila pili pill pilo piob pipa pipi pipo pipp plaa plab plai plap plib plio plip plob ploo plop plpa plpp poba pobo poia poil poio pola poli poll polo pool poop pop- popa popi popo popp ppal ppap ppib ppli pplo ppoa pppa pppo pppp