a-a a-b aaa aab aad aao aap aar aav ab- aba abb abd abo abp abr abv ad- ada adb add ado adp adr adv aoa aob aod aoo aop aor aov ap- apa apb apd apo app apr apv ar- ara arb ard aro arp arr arv av- ava avb avd avo avp avr b-p baa bab bad bao bap bar bav bba bbb bbd bbo bbp bbr bda bdb bdd bdo bdp bdr bdv boa bob bod boo bop bor bov bpa bpb bpd bpo bpp bpr bpv bra brb brd bro brp brr brv bva bvb bvd bvo bvp bvr bvv daa dab dad dao dap dar dav dba dbb dbd dbo dbp dbr dbv dda ddb ddd ddo ddp ddr doa dob dod doo dop dor dov dpa dpb dpd dpo dpp dpr dpv dra drb drd dro drp drr drv dva dvb dvd dvp dvr oaa oab oad oao oap oar oav ob- oba obb obd obo obp obr obv oda odb odd odo odp odr odv oo- ooa oob ood ooo oop oor oov op- opa opb opd opo opp opr opv or- ora orb ord oro orp orr orv ov- ova ovb ovd ovo ovp ovv p-p paa pab pad pao pap par pav pba pbb pbd pbo pbp pbr pda pdb pdd pdo pdp pdr pdv poa pob pod poo pop por pov ppa ppb ppd ppo ppp ppr ppv pra prb prd pro prp prr prv pva pvb pvd pvo pvp pvr pvv ra- raa rab rad rao rap rar rav rba rbb rbd rbo rbp rbr rda rdb rdd rdo rdp rdr rdv roa rob rod roo rop ror rov rpa rpb rpd rpo rpp rpr rpv rra rrb rrd rrp rrr rva rvb rvd rvo rvp rvr rvv v-a vaa vab vad vao vap var vav vba vbd vbo vbr vbv vdb vdd vdo vdp vdr vdv voa vob vod voo vop vor vov vpa vpb vpd vpo vpp vpr vra vrb vrd vrp vrr vva vvb vvo vvr vvv

a-do aaaa aaab aaad aaap aaar aaav aaba aabb aabd aabp aada aaoo aapa aapo aara aard aaro aarp aava abaa abab abad abap abar abb- abba abbb abbo abbr abda abdo aboa abob abod aboo abor abov abpa abpd abpp abpr abra abro abva abvd abvp adaa adab adad adao adap adar adba adda addd addo addr adob adod adoo ador adp- adra adro advb aoba aopo aora aorb apao apap apar apba apbr apda apdd apo- apod apoo apop apor appa appd appr apra apro arab arad arap arar arba arda ardo aroa arob arod aroo aror arpa arr- arra arro arrr arva arvo avab avao avar avda avdp avor avra avro avva avvo baaa baad baar baba babb babo babr bada badb badd bado badr bapa bapp bar- bara barb bard baro barr bava bbad bbbb bbdd bbdo bbpr bd-r bdav boab boad boar boba bobb bobo boda bodb bodo boob bood boop boor bopa bopp bor- bora bord boro borr bova bovo bpda bprd brab brad brao brav brda brdo broa brob brod broo bror brrr d-bo daab daad daap daar daba dabb dabo dabp dada dado dapa dapp dara darb dard daro darp darr dava dbar dbpd dddd ddpo doab doap doar doba dobb dod- doda dodd dodo doob dood doop door dopa dopo dopp dopr dora dord doro dorp dorr dpaa dppa draa drab drad drap drar drba drda drob drod drop drra dvar dvda dvdr dvoa dvor dvra dvrp oara obad obba obbo obor obra obro odbo odda oddd odoo odop odor odra odrp odva ooaa ooba ooda oooo oora oord opap opar opo- opor oppa oppo opra orab orad orao orar orav orba orbb orbo orda ordo oro- oror orra orro orvr ovar ovda ovo- ovod ovoo ovpp ovra paap paar paba pada padd pado papa papb papp papr par- para pard paro parp parr parv pava pavo pbar pbpa pdpa pdpr poad poar poba pobo pod- poda podd podo pood poop poor pop- popa popo popp pora porb poro porr povo ppad ppap ppar ppbv ppoa ppod pppa pppd pppo pppp prad prao prar pro- proa prob prod proo prop prov prpd prrd pvda pvpa raab raad raba rabb rabo rada radd rado radr raob raop rapa rapd rapp rara rarb raro rava rbbb rbbr rdap rdbp roab road roap roar rob- roba robb robo roda rodd rodo roob rood roop roor ropa ropo rora roro rova rovo rpdp rpob rrad rrrr vaad vaar vada vado vapa vapb vara vard varp varr vava vdbp voad voar voda vodo voor vor- vora vord voro vpro vrap vrav vrba vvob vvpb vvvv

-aaa- -abad a-a-p aabaa aabba aabra aarop abaab ababa abada abapo abara abava abbad abbar abbod aboab aboad abobo abood abora abord abovo abrad abrar abrod adaba adada adado adapa adara adaro adava addap addra adoar adobo adodb adoor adora adoro adorp adpar adrad adrar adroa adrop apapa apar- apara apoda apodo apoop apoor apopa apopo aporo appar appro aprad ar-ab arab- araba arabo arada arado arara arava arbab arbar arbor ardab ardod ardor ardra aroab aroad aroar aroba aroor aropa arora arpad arpar arvad arvar avara avard avaro avoda avord baaop baard baava babar babdo baboo babra badao badar baddo badod badoo badpr badra baoro baraa barab barad barao barar barba barda bardo baro- baroa baroo baror barra barro barva bavar bavra bdoor bo-bo boada board boaro bobar bobov bobr bodd- bodor bodva booba boora boord borba borbo borda bordo boro- boroa borod boroo borov borra borro borvo brada brard brava bravo brdda broad brobo broda brodd brodo brood brora brova brrar brrrr d-a-d d-pad d-rad d-rod daada daara daava dabar dabba dabra dadao dadap dadar dadda daddo dadoo dadra dadva dappa daraa darab darba darda dardo darod daroo darpa darra darro darva davao davar davod davor ddavp ddddd do-do doaba doado dobra dobro dodab dodad dodoo dodro dooab dooar doodo doora doppa dorab dorad dorra draba drapa drava