a-do aaaa aaab aaad aaap aaar aaba aabb aabd aabp aada aaoo aapa aapo aara aard aaro aarp abaa abab abad abag abap abar abb- abba abbb abbo abbr abda abdo abgd aboa abob abod aboo abor abpa abpd abpp abpr abra abro adaa adab adad adag adao adap adar adba adda addd addo addr adob adod adog adoo ador adp- adra adro ag-o agad agag agao agap agar agba agbo agda agga agob agod agog agoo agra agro agrp aoba aopo aora aorb apao apap apar apba apbg apbr apda apdd apga apo- apod apoo apop apor appa appd appr apra apro arab arad arag arap arar arba arda ardo arga argb argo aroa arob arod aroo aror arpa arr- arra arrg arro arrr baaa baad baar baba babb babo babr bada badb badd bado badr baga bagg bago bapa bapp bar- bara barb bard barg baro barr bbad bbbb bbdd bbdo bbga bbpr bbrg bd-r bdog boab boad boag boar boba bobb bobo boda bodb bodo boga bogd bogg bogo boob bood boog boop boor bopa bopp bor- bora bord borg boro borr bpda bprd brab brad brag brao brda brdo broa brob brod brog broo bror brrr d-bo daab daad daag daap daar daba dabb dabo dabp dada dado daga dagg dago dagr dapa dapg dapp dara darb dard darg daro darp darr dbag dbar dbgp dbpd dddd ddpo doab doap doar doba dobb dod- doda dodd dodg dodo dog- doga dogg dogo dogp doob dood doop door dopa dopo dopp dopr dora dord doro dorp dorr dpaa dpag dppa dprg draa drab drad drag drap drar drba drda drob drod drog drop drra gaap gaar gaba gabb gabo gabp gabr gada gadd gado gadp gaga gagg gago gapa gapp gara garb gard garg garo garp garr gbag gbap gbbo gddb gdor gggg ggpo goad goar goba gobo goda godo goga gogo good goog goop goor gopo gora gorb gord gorg goro gorp gorr gpaa gpgp gpra gprd gprp grab grad grap grbr grob grod grog groo grop gror grrr oara obad obba obbo obor obra obro odbo odda oddd odoo odop odor odra odrp ogar ogb ogba ogoa ogod ogog ogra ogro ooaa ooba ooda oooo oora oord opap opar opo- opor oppa oppo opra orab orad orao orar orba orbb orbo orda ordo orga orgo oro- oror orra orro paag paap paar paba pada padd pado paga pagb pago papa papb papg papp papr par- para pard parg paro parp parr pbar pbpa pdag pdpa pdpr pgaa poad poar poba pobo pod- poda podd podo pogg pogo pood poop poor pop- popa popo popp pora porb porg poro porr ppad ppap ppar ppga ppoa ppod pppa pppd pppo pppp prad prag prao prar pro- proa prob prod prog proo prop prpd prrd raab raad raag raba rabb rabo rada radd rado radr raga ragg rago raob raop rapa rapd rapp rara rarb raro rbbb rbbr rdap rdbp rgba roab road roag roap roar rob- roba robb robo roda rodd rodo roga rogg rogo roob rood roog roop roor ropa ropo rora roro rpdp rpga rpob rrad rrrr