a-do aaaa aaab aaad aaal aaap aaar aaba aabb aabd aabl aabp aada aala aald aall aalo aaoo aapa aapl aapo aara aard aaro aarp abaa abab abad abal abap abar abb- abba abbb abbo abbr abda abdo abla ablo aboa abob abod abol aboo abor abpa abpd abpp abpr abra abro adaa adab adad adal adao adap adar adba adda addd addl addo addr adob adod adoo ador adp- adra adro al-p alaa alad alal alao alap alar alb- alba albo ald- alda aldl aldo all- alla alll allo allr aloa alod alol aloo alop alor alpa alpl alpo alro aoba aola aopo aora aorb apal apao apap apar apba apbr apda apdd apl- apla aplp apo- apod apoo apop apor appa appd appl appr apra apro arab arad aral arap arar arba arda ardl ardo arla arlo aroa arob arod aroo aror arpa arpl arr- arra arro arrr baaa baad baal baar baba babb babo babr bada badb badd bado badr bala bald ball balo baol bapa bapp bar- bara barb bard baro barr bbad bbbb bbdd bbdo bblb bbpr bd-r blaa blab blad bldr blob blod bloo blop boab boad boal boar boba bobb bobo boda bodb bodo bola bold boll bolo boob bood bool boop boor bopa bopp bor- bora bord boro borr bpda bprd brab brad brao brda brdo brlp broa brob brod brol broo bror brrr d-bo daab daad daal daap daar daba dabb dabo dabp dada dado dala dall dalo dapa dapp dara darb dard darl daro darp darr dbar dblp dbpd dddd ddpo dlab dlbd doab doal doap doar doba dobb dobl dod- doda dodd dodo dola dold doll dolo dolp doob dood dool doop door dopa dopo dopp dopr dora dord doro dorp dorr dpaa dpll dppa draa drab drad drap drar drba drda drob drod drol drop drra laaa laad laal laap laar laba labo labr lada ladd lado ladp lala lald lall lalo lapa lapb lapd lapp lara larb lard larp larr lbar lblr lddp llao lldb lldp llll lloa llod lloo load loap loar lob- loba lobb lobo loda lola lold loll lolo loob lood lool loop loor lopa lopp lora lord loro lpda lpla lpod lppl lprp lral lrba lrdd lrrr oall oara obad obal obba obbo obla obol obor obra obro odal odbo odda oddd odla odoo odop odor odra odrl odrp olar olba olbo oldb olla ollo olor ooaa ooba ooda oola oold oolo oooo oora oord opal opap opar opla opo- opor oppa oppo opra orab orad oral orao orar orba orbb orbo orda ordo orla orlo oro- oror orra orro paal paap paar paba pada padd pado pala pall palo palp papa papb papp papr par- para pard parl paro parp parr pbar pbpa pdpa pdpr plaa plab plad plap plar plbr plob plod ploo plop plpa plpp plra poad poar poba pobo pod- poda podd podo pola pold poll polo pood pool poop poor pop- popa popo popp pora porb poro porr ppad ppal ppap ppar pplo ppoa ppod pppa pppd pppo pppp prad prao prar prlr pro- proa prob prod prol proo prop prpd prrd raab raad raba rabb rabl rabo rada radd radl rado radr rala ralb rall ralo raob raol raop rapa rapd rapl rapp rara rarb raro rbbb rbbr rdap rdbp rlab roab road roap roar rob- roba robb robo roda rodd rodo rola rold roll rolo rolp roob rood rool roop roor ropa ropo rora roro rpdp rpob rrad rrrr