a-a a-b aaa aab aad aan aao aar aav ab- aba abb abd abn abo abr abv ad- ada adb add adn ado adr adv an- ana anb and ann ano anr anv aoa aob aod aon aoo aor aov ar- ara arb ard arn aro arr arv av- ava avb avd avn avo avr baa bab bad ban bao bar bav bba bbb bbd bbn bbo bbr bda bdb bdd bdo bdr bdv bna bnb bnd bnn bno bnr bnv boa bob bod bon boo bor bov bra brb brd brn bro brr brv bva bvb bvd bvn bvo bvr bvv daa dab dad dan dao dar dav dba dbb dbd dbn dbo dbr dbv dda ddb ddd ddn ddo ddr dna dnb dnd dnn dno dnr doa dob dod don doo dor dov dra drb drd drn dro drr drv dva dvb dvd dvn dvr naa nab nad nan nao nar nav nba nbb nbd nbn nbo nbr nbv nda ndb ndd ndn ndo ndr ndv nna nnb nnn nno nnv no- noa nob nod non noo nor nov nra nrb nrd nrn nro nrr nrv nva nvb nvd nvn nvv oaa oab oad oan oao oar oav ob- oba obb obd obn obo obr obv oda odb odd odn odo odr odv on- ona onb ond onn ono onr oo- ooa oob ood oon ooo oor oov or- ora orb ord orn oro orr orv ov- ova ovb ovd ovo ovv ra- raa rab rad ran rao rar rav rba rbb rbd rbn rbo rbr rda rdb rdd rdn rdo rdr rdv rna rnb rnd rnn rno rnr rnv roa rob rod ron roo ror rov rra rrb rrd rrn rrr rva rvb rvd rvn rvo rvr rvv v-a vaa vab vad van vao var vav vba vbd vbo vbr vbv vdb vdd vdo vdr vdv vn- vna vnd vno vnr vnv voa vob vod von voo vor vov vra vrb vrd vrn vrr vva vvb vvo vvr vvv

-ana a-do aaaa aaab aaad aaan aaar aaav aaba aabb aabd aada aana aand aaon aaoo aara aard aaro aava abaa abab abad aban abar abb- abba abbb abbo abbr abda abdo aboa abob abod abon aboo abor abov abra abro abva abvd adaa adab adad adan adao adar adba adda addd addn addo addr adna adob adod adon adoo ador adra adro advb ana- anaa anab anad anan anao anar anba anbb anbo and- anda ando andr anna annb anno ano- anoa anod anon anor aoba aonb aono aora aorb aorn arab arad aran arar arba arda ardo arna arnd arno aroa arob arod aron aroo aror arr- arra arro arrr arva arvn arvo avab avan avao avar avda avon avor avra avro avva avvo baaa baad baan baar baba babb babo babr bada badb badd bado badr bana band bann bano banr baon bar- bara barb bard barn baro barr bava bbad bbbb bbdd bbdo bd-r bdav bdna bnor bnrr boab boad boan boar boba bobb bobo boda bodb bodo bona bond bonn bono boob bood boon boor bor- bora bord born boro borr bova bovo brab brad bran brao brav brda brdo brna brno broa brob brod bron broo bror brrr d-bo d-na daab daad daan daar daba dabb dabo dada dado dana dand dann dano danr daon dara darb dard darn daro darr dava dbar dbrn dddd dnaa dnab dnad dnan doab doan doar doba dobb dod- doda dodd dodo dona dond donn dono donr doob dood doon door dora dord dorn doro dorr draa drab drad drar drba drda drna drno drob drod dron drra drvn dvar dvda dvdr dvno dvoa dvor dvra naaa naab naad naan naar naba nabo nada nadr nan- nana nanb nand nann nano naor nara nard narn naro narr nava navo navr navv nbaa nbad nbar nbbo ndaa ndao nddb nddo ndna ndor nndb nnnn noaa noba nobo noda nodo non- nona nonn nono noo- noob noon nooo noor noov nor- nora norb nord norn noro norr norv nov- nova novo nrab nrna nron nrrd nvda oara obad oban obba obbo obon obor obra obro odbo odda oddd odnb odon odoo odor odra odva onab onan onar onda ondo onna onno onod onon onor onra ooaa ooba ooda oona oooo oora oord orab orad oran orao orar orav orba orbb orbo orda ordn ordo orna orno oro- oron oror orra orro orvr ovan ovar ovda ovo- ovod ovon ovoo ovra raab raad raan raba rabb rabo rada radd rado radr rana rand rann rano raob rara rarb raro rava rbbb rbbr rdna rnbr rnod roab road roan roar rob- roba robb robo roda rodd rodo rona rond rono roob rood roon roor rora roro rova rovo rrad rrna rrrr vaad vaan vaar vada vado vana vand vann vano vara vard varn varr vava vnav voad voar voda vodo vona vond vonn voor vor- vora vord voro vran vrav vrba vrnn vron vvob vvvv

-aaa- -abad a-dna aabaa aabba aabra aandr aarna aaron abaab ababa abada abana aband abann abano abaon abara abarn abava abbad abban abbar abbod abdan abdon aboab aboad abobo abona abond abono abood aboon abora abord aborn abovo abrad abran abrar abrod abron adaba adada adado adana adano adaon adara adarn adaro adava addon addra adnan adoar adobo adodb adona adoor adora adorn adoro adrad adran adrar adroa anaba anado anana anand anara anava anban anbar andab andad andan andar andno andoa andon andor andr- andra andro annan annar anoba anoda anona anono anoon anora anorn anova anovo anvar aodan ar-ab arab- araba arabo arada arado arana arand arano arara arava arbab arbar arbon arbor ardab ardan ardod ardon ardor ardra arnad arnan arnar arno- arnod arnon arnor aroab aroad aroar aroba arona aroon aroor arora arran arron arvad arvan arvar arvon avana avara avard avaro avdan avdon avoda avord avron b-dna baard baarn baava baban babar babdo baboo babra badan badao badar baddo badna badod badoo badra banan banar banba banda bandb bandn bando