a-ha aaaa aaab aaah aaal aaap aaba aabb aabh aabl aabp aaha aahl aala aall aalo aaoo aapa aaph aapl aapo abaa abab abal abap abb- abba abbb abbo abha abho abla ablo aboa abob aboh abol aboo abpa abpp ahab ahah ahal ahha ahla ahoa ahop ahpl al-p alaa alal alao alap alb- alba albo alha all- alla allh alll allo aloa aloh alol aloo alop alpa alph alpl alpo aoah aoba aola aopo apah apal apao apap apba aph- apha apl- apla aplp apo- apoo apop appa apph appl baaa baah baal baba babb babo baha bahl baho bala ball balo baoh baol bapa bapp bbbb bblb bhao bhpl blaa blab blah blob bloo blop boab boal boba bobb bobo boha bohl boho bola boll bolo boob booh bool boop bopa bopp haab haal haba habo haha haho hal- hala halb hall halo halp hapa happ hhaa hhhh hhla hhpa hlah hoap hoba hobo hoha hohl hoho hol- hola holb holh holl holo holp hool hoop hopa hopo hopp hpao laaa laal laap laba labo laha laho lala lall lalo lapa lapb lapp lhhh llao llll lloa lloo loap lob- loba lobb lobh lobo loha loho lola loll lolo loob lool loop lopa lopp lpla lppl oahp oall oaph obal obba obbo obla obol ohal ohba ohho ohob ohoh olah olba olbo olla ollo olph ooaa ooba ooha ooho oola oolo oooh oooo opah opal opap opla opo- oppa oppo paal paap paba paha paho pahp pala palh pall palo palp paoh papa papb papp pbpa phah phal phlo phob phoh phoo phpa plaa plab plap plob ploh ploo plop plpa plpp poba pobo poha pohl pola poll polo pooh pool poop pop- popa popo popp ppal ppap pplo ppoa pppa pppo pppp