a-a a-b a-t aaa aab aad aan aao aap aar aat ab- aba abb abd abn abo abp abr abt ad- ada adb add adn ado adp adr adt an- ana anb and ann ano anp anr ant aoa aob aod aon aoo aop aor aot ap- apa apb apd apn apo app apr apt ar- ara arb ard arn aro arp arr art at- ata atb atd atn ato atp atr att b-p baa bab bad ban bao bap bar bat bba bbb bbd bbn bbo bbp bbr bbt bda bdb bdd bdo bdp bdr bdt bna bnb bnd bnn bno bnp bnr bnt boa bob bod bon boo bop bor bot bpa bpb bpd bpn bpo bpp bpr bpt bra brb brd brn bro brp brr brt bta btb btd btn bto btp btr btt daa dab dad dan dao dap dar dat dba dbb dbd dbn dbo dbp dbr dbt dda ddb ddd ddn ddo ddp ddr ddt dna dnb dnd dnn dno dnp dnr dnt doa dob dod don doo dop dor dot dpa dpb dpd dpn dpo dpp dpr dpt dra drb drd drn dro drp drr drt dta dtb dtd dtn dto dtp dtr dtt naa nab nad nan nao nap nar nat nba nbb nbd nbn nbo nbp nbr nbt nda ndb ndd ndn ndo ndp ndr ndt nna nnb nnn nno nnp nnt no- noa nob nod non noo nop nor not npa npb npd npn npo npp npr npt nra nrb nrd nrn nro nrp nrr nrt nta ntb ntd ntn nto ntp ntr ntt oaa oab oad oan oao oap oar oat ob- oba obb obd obn obo obp obr obt oda odb odd odn odo odp odr odt on- ona onb ond onn ono onp onr ont oo- ooa oob ood oon ooo oop oor oot op- opa opb opd opn opo opp opr opt or- ora orb ord orn oro orp orr ort ot- ota otb otd otn oto otp otr ott p-p paa pab pad pan pao pap par pat pba pbb pbd pbn pbo pbp pbr pbt pda pdb pdd pdn pdo pdp pdr pdt pn- pna pnb pnd pnn pno pnp pnr pnt poa pob pod pon poo pop por pot ppa ppb ppd ppn ppo ppp ppr ppt pra prb prd prn pro prp prr prt pt- pta ptb ptd ptn pto ptp ptr ptt ra- raa rab rad ran rao rap rar rat rba rbb rbd rbn rbo rbp rbr rbt rda rdb rdd rdn rdo rdp rdr rdt rna rnb rnd rnn rno rnp rnr rnt roa rob rod ron roo rop ror rot rpa rpb rpd rpn rpo rpp rpr rpt rra rrb rrd rrn rrp rrr rrt rta rtb rtd rtn rto rtp rtr rtt taa tab tad tan tao tap tar tat tba tbb tbd tbn tbo tbp tbr tbt tda tdb tdd tdn tdo tdp tdr tdt tna tnb tnd tnn tno tnp tnr tnt to- toa tob tod ton too top tor tot tpa tpb tpd tpn tpo tpp tpr tpt tra trb trd trn tro trp trr trt tta ttb ttd ttn tto ttp ttr ttt

-ana a-do aaaa aaab aaad aaan aaap aaar aaba aabb aabd aabp aabt aada aadt aana aand aanp aaon aaoo aapa aapo aapt aara aard aaro aarp aart aata aatt abaa abab abad aban abap abar abat abb- abba abbb abbo abbr abbt abda abdo aboa abob abod abon aboo abor abot abpa abpd abpn abpp abpr abra abro abta adaa adab adad adan adao adap adar adat adba adda addd addn addo addr adna adnp adob adod adon adoo ador adot adp- adra adro adta ana- anaa anab anad anan anao anap anar anat anba anbb anbo and- anda ando andr andt anna annb anno annt ano- anoa anod anon anor anp- anpa anpp anpr ant- anta anto antr antt aoba aonb aono aont aopo aora aorb aorn aort aotd apan apao apap apar apat apba apbr apda apdd apna apno apo- apod apon apoo apop apor apot appa appd appr appt apra aprn apro aprt apta aptn aptt arab arad aran arap arar arat arba arda ardo arna arnd arno arnt aroa arob arod aron aroo aror arpa arr- arra arro arrr arrt arta arto artr at-t ataa atab atad atan atap atar atat atdt atna atno atob atod aton atop ator atot atpr atra atrn atro atrp atta attn atto attp attr baaa baad baan baar baat baba babb babo babr bada badb badd bado badr bana band bann bano banp banr bant baon bapa bapp bapt bar- bara barb bard barn baro barr bart bata batn bato batt bbad bbbb bbdd bbdo bbpr bd-r bdna bnor bnpp bnrr bnta boab boad boan boar boat boba bobb bobo boda bodb bodo bona bond bonn bono bont boob bood boon boop boor boot bopa bopp bor- bora bord born boro borr bort bota botb botd botn boto bott bpda bpot bprd brab brad bran brao brat brda brdo brdt brna brno broa brob brod bron broo bror brot brrr btaa btan btbp btdt btob btor btrt bttb d-bo d-na daab daad daan daap daar daba dabb dabo dabp dabt dada dado dana dand dann dano danr dant daon dapa dapp dara darb dard darn daro darp darr dart data dato datp datr datt dbar dbpd dbrn dbtt dddd ddot ddpo dnaa dnab dnad dnan dnap dnat dnpo dntp dntt doab doan doap doar doat doba dobb dod- doda dodd dodo dona dond donn dono donp donr dont doob dood doon doop door doot dopa dopo dopp dopr dopt dora dord dorn doro dorp dorr dort dota dotd doto dott dpaa dpdt dppa draa drab drad drap drar drat drba drda drna drno drob drod dron drop drot drra dtaa dtap dtdp dtna dtnb dtor dtot dttp naaa naab naad naan naar naat naba nabo nada nadp nadr nan- nana nanb nand nann nano nanp nant naor naot napa