a-a a-b a-i a-t aaa aab aad aai aao aar aat ab- aba abb abd abi abo abr abt ad- ada adb add adi ado adr adt ai- aia aib aid aii aio air ait aoa aob aod aoi aoo aor aot ar- ara arb ard ari aro arr art at- ata atb atd ati ato atr att baa bab bad bai bao bar bat bba bbb bbd bbi bbo bbr bbt bda bdb bdd bdi bdo bdr bdt bi- bia bib bid bii bio bir bit boa bob bod boi boo bor bot bra brb brd bri bro brr brt bta btb btd bti bto btr btt daa dab dad dai dao dar dat dba dbb dbd dbi dbo dbr dbt dda ddb ddd ddi ddo ddr ddt di- dia dib did dii dio dir dit doa dob dod doi doo dor dot dra drb drd dri dro drr drt dta dtb dtd dti dto dtr dtt i-d ia- iaa iab iad iai iao iar iat iba ibb ibd ibi ibo ibr ibt ida idb idd idi ido idr idt iia iib iid iii iio iir iit io- ioa iob iod ioi ioo ior iot ir- ira irb ird iri iro irr irt ita itb itd iti ito itt o-i oaa oab oad oai oao oar oat ob- oba obb obd obi obo obr obt oda odb odd odi odo odr odt oia oib oid oii oio oir oit oo- ooa oob ood ooi ooo oor oot or- ora orb ord ori oro orr ort ot- ota otb otd oti oto otr ott ra- raa rab rad rai rao rar rat rba rbb rbd rbi rbo rbr rbt rda rdb rdd rdi rdo rdr rdt ria rib rid rii rio rir rit roa rob rod roi roo ror rot rra rrb rrd rri rrr rrt rta rtb rtd rti rto rtr rtt taa tab tad tai tao tar tat tba tbb tbd tbi tbo tbr tbt tda tdb tdd tdi tdo tdr tdt tia tib tid tii tio tir tit to- toa tob tod toi too tor tot tra trb trd tri tro trr trt tta ttb ttd tti tto ttr ttt

a-do a-ii aaaa aaab aaad aaai aaar aaba aabb aabd aabi aabt aada aadi aadt aaib aaii aaoo aara aard aari aaro aart aata aatt abaa abab abad abai abar abat abb- abba abbb abbi abbo abbr abbt abda abdi abdo abia abib abid abir abit aboa abob abod aboo abor abot abra abri abro abta adaa adab adad adai adao adar adat adba adbi adda addd addi addo addr adia adib adio adir adit adob adod adoo ador adot adra adro adta aiai aiba aibo aida aidb aidi aidr aidt aiia aiib aiid aiir aioi aira aird airi airo airt aita aiti aitr aitt aoba aora aorb aort aotd arab arad arai arar arat arba arbi arda ardi ardo aria arib arid arii ario arit aroa arob arod aroi aroo aror arr- arra arri arro arrr arrt arta arti arto artr at-t ataa atab atad atai atar atat atdi atdt atia atid atit atob atod atoi ator atot atra atri atro atta atti atto attr ba-i baaa baad baar baat baba babb babi babo babr bada badb badd badi bado badr baia baib baid baio bair bait bar- bara barb bard bari baro barr bart bata bati bato batt bbad bbbb bbdd bbdo bd-r bdii biad biao biar biat biba bibb bibi bibo bida bidi bido bidr bio- bioi biot bira birb bird biri biro birr birt bita bitd bito bitt boab boad boai boar boat boba bobb bobi bobo boda bodb bodi bodo boi- boid boii boit boob bood boor boot bor- bora bord bori boro borr bort bota botb botd boti boto bott brab brad brai brao brat brda brdo brdt bria brid brio brit broa brob brod broo bror brot brrr btaa btdt btob btor btrt bttb d-bo daab daad daar daba dabb dabo dabt dada dadi dado daia daid daio dair dait dara darb dard dari daro darr dart data dati dato datr datt dbar dbit dbtt dddd ddot dia- diab diad diao diar diat diba dibb dibo dida didi dido diii dior diot dira dird dirr dirt dita diti dito ditt doab doar doat doba dobb dobi dod- doda dodd dodi dodo doid doit doob dood door doot dora dord dori doro dorr dort dota dotd doti doto dott draa drab drad drar drat drba drda drib drit drob drod drot drra dtaa dtor dtot iaaa iaai iaat iaba iadb iadt iaia iara iart iata iati ibad ibar ibat ibdo ibia ibid ibot ibra ibrd ibri ibro ibtb idad idar idat idda iddo idia idid idio idir idra idro idta iida iiii iiio iiit iioi iioo iira iita iitr iitt ioba iobi iod- ioda iodd iodo ioii ioio ioit iooi iooo iora iori iota ioto irad irai irao irar irda irdo iri- iria irid irio irob irod irra irri irta irti itaa itai itar itat itdo itia itoi itoo itor itra itri itta itto oara obad obai obba obbo obdt obia obid obit oboi obor obot obra obri obro obtd odai odbo odda oddd oddi odia odio odir odoo odor odot odra oiba oido oiii oira oirt oita oiti ooaa ooba oobi ooda oodi ooia ooid oooo oora oord oort ootb orab orad orai orao orar orat orba orbb orbi orbo orda ordo ori- oria orid orio orit oro- oror orot orra orri orro orta orto otar otbd otit oto- otoo otor otra otro otta otti otto raab raad raat raba rabb rabi rabo rada radd rado radr radt raia raid raii rair rait raob rara rarb rari raro rata rati rato ratt rbbb rbbr rdio riaa riab riad riai riat rib- riba ribo rida ridd ridi rido riia riot riri rita riti rito ritt roab road roar roat rob- roba robb robi robo robt roda rodd rodi rodo roia roid roio roir roit roob rood rooi roor root rora rori