a-a a-b a-i a-t aaa aab aad aai aao aar aas aat ab- aba abb abd abi abo abr abs abt ad- ada adb add adi ado adr ads adt ai- aia aib aid aii aio air ais ait aoa aob aod aoi aoo aor aos aot ar- ara arb ard ari aro arr ars art as- asa asb asd asi aso asr ass ast at- ata atb atd ati ato atr ats att baa bab bad bai bao bar bas bat bba bbb bbd bbi bbo bbr bbs bbt bda bdb bdd bdi bdo bdr bds bdt bi- bia bib bid bii bio bir bis bit boa bob bod boi boo bor bos bot bra brb brd bri bro brr brs brt bsa bsb bsd bsi bso bsr bss bst bta btb btd bti bto btr bts btt daa dab dad dai dao dar das dat dba dbb dbd dbi dbo dbr dbs dbt dda ddb ddd ddi ddo ddr dds ddt di- dia dib did dii dio dir dis dit doa dob dod doi doo dor dos dot dra drb drd dri dro drr drs drt dsa dsb dsd dsi dso dsr dss dst dta dtb dtd dti dto dtr dts dtt i-d ia- iaa iab iad iai iao iar ias iat iba ibb ibd ibi ibo ibr ibs ibt ida idb idd idi ido idr ids idt iia iib iid iii iio iir iis iit io- ioa iob iod ioi ioo ior ios iot ir- ira irb ird iri iro irr irs irt is- isa isb isd isi iso isr iss ist ita itb itd iti ito its itt o-i oaa oab oad oai oao oar oas oat ob- oba obb obd obi obo obr obs obt oda odb odd odi odo odr ods odt oia oib oid oii oio oir ois oit oo- ooa oob ood ooi ooo oor oos oot or- ora orb ord ori oro orr ors ort os- osa osb osd osi oso osr oss ost ot- ota otb otd oti oto otr ots ott ra- raa rab rad rai rao rar ras rat rba rbb rbd rbi rbo rbr rbs rbt rda rdb rdd rdi rdo rdr rds rdt ria rib rid rii rio rir ris rit roa rob rod roi roo ror ros rot rra rrb rrd rri rrr rrs rrt rsa rsb rsd rsi rso rsr rss rst rta rtb rtd rti rto rtr rts rtt saa sab sad sai sao sar sas sat sba sbb sbd sbi sbo sbr sbs sbt sda sdb sdd sdi sdo sdr sds sdt sia sib sid sii sio sir sis sit soa sob sod soi soo sor sos sot sr- sra srb srd sri sro srr srs srt ss- ssa ssb ssd ssi sso ssr sss sst sta stb std sti sto str sts stt taa tab tad tai tao tar tas tat tba tbb tbd tbi tbo tbr tbs tbt tda tdb tdd tdi tdo tdr tds tdt tia tib tid tii tio tir tis tit to- toa tob tod toi too tor tos tot tra trb trd tri tro trr trs trt tsa tsb tsd tsi tso tsr tss tst tta ttb ttd tti tto ttr tts ttt

a-do a-ii aaaa aaab aaad aaai aaar aaas aaba aabb aabd aabi aabt aada aadi aads aadt aaib aaii aais aaoo aara aard aari aaro aars aart aasa aasd aasi aass aast aata aatt abaa abab abad abai abar abas abat abb- abba abbb abbi abbo abbr abbs abbt abda abdi abdo abia abib abid abir abis abit aboa abob abod aboo abor abos abot abra abri abro abrs abs- absa absd absi abss abta abts adaa adab adad adai adao adar adas adat adba adbi adda addd addi addo addr adds adia adib adio adir adis adit adob adod adoo ador ados adot adra adro adrs adsa adsi adso adsr adss adst adta adts aiai aias aiba aibo aida aidb aidi aidr aids aidt aiia aiib aiid aiir aioi aira aird airi airo airs airt aisa aisb aisd aisi aiso aisr aist aita aiti aitr aits aitt aoba aora aorb aors aort aosd aoss aotd arab arad arai arar aras arat arba arbi arbs arda ardi ardo ards aria arib arid arii ario aris arit aroa arob arod aroi aroo aror aros arr- arra arri arro arrr arrs arrt ars- arsa arsd arsi arso arst arta arti arto artr arts asaa asab asad asai asao asar asas asat asba asbo asda asdo asds asia asii asio asir asis asit asob asod asoi asor asos asot asra asro asrs assa assd assi asso assr asss asst asta astb asti asto astr asts at-t ataa atab atad atai atar atas atat atbs atdi atdt atia atid atis atit atob atod atoi ator atos atot atra atri atro atsb atsi atst atta atti atto attr atts ba-i baaa baad baar baas baat baba babb babi babo babr babs bada badb badd badi bado badr bads baia baib baid baio bair bais bait baos bar- bara barb bard bari baro barr bars bart basa basi baso bass bast bata bati bato bats batt bbad bbas bbbb bbbs bbdd bbdo bd-r bdii bdos bdsd biad biao biar bias biat biba bibb bibi bibo bibs bida bidi bido bidr bids biis bio- bioi bios biot bira birb bird biri biro birr birs birt bis- bisa bisd biso biss bist bita bitd bito bits bitt boab boad boai boar boas boat boba bobb bobi bobo bobs boda bodb bodi bodo bods boi- boid boii bois boit boob bood boor boos boot bor- bora bord bori boro borr bors bort bosa bosi boso boss bost bota botb botd boti boto bots bott brab brad brai brao bras brat brda brdo brds brdt bria brid brio bris brit broa brob brod broo bror bros brot brrr brrs brsb brsr brst bsaa bsas bsat bsbd bsod bsos bsra bsrd bssd bsts btaa btdt btob btor btrt btss bttb d-bo daab daad daar