a-a a-b a-i a-t aaa aab aad aai aao aar aas aat aau ab- aba abb abd abi abo abr abs abt abu ad- ada adb add adi ado adr ads adt adu ai- aia aib aid aii aio air ais ait aiu aoa aob aod aoi aoo aor aos aot aou ar- ara arb ard ari aro arr ars art aru as- asa asb asd asi aso asr ass ast asu at- ata atb atd ati ato atr ats att atu au- aua aub aud aui auo aur aus aut b-u baa bab bad bai bao bar bas bat bau bba bbb bbd bbi bbo bbr bbs bbt bbu bda bdb bdd bdi bdo bdr bds bdt bdu bi- bia bib bid bii bio bir bis bit biu boa bob bod boi boo bor bos bot bou bra brb brd bri bro brr brs brt bru bsa bsb bsd bsi bso bsr bss bst bsu bta btb btd bti bto btr bts btt btu bua bub bud bui buo bur bus but buu daa dab dad dai dao dar das dat dau dba dbb dbd dbi dbo dbr dbs dbt dbu dda ddb ddd ddi ddo ddr dds ddt ddu di- dia dib did dii dio dir dis dit diu doa dob dod doi doo dor dos dot dou dra drb drd dri dro drr drs drt dru dsa dsb dsd dsi dso dsr dss dst dsu dta dtb dtd dti dto dtr dts dtt dtu dua dub dud dui duo dur dus dut i-d ia- iaa iab iad iai iao iar ias iat iau iba ibb ibd ibi ibo ibr ibs ibt ibu ida idb idd idi ido idr ids idt idu iia iib iid iii iio iir iis iit iiu io- ioa iob iod ioi ioo ior ios iot iou ir- ira irb ird iri iro irr irs irt iru is- isa isb isd isi iso isr iss ist isu ita itb itd iti ito its itt itu iu- iua iub iud iui iur ius iut o-i oaa oab oad oai oao oar oas oat oau ob- oba obb obd obi obo obr obs obt obu oda odb odd odi odo odr ods odt odu oia oib oid oii oio oir ois oit oiu oo- ooa oob ood ooi ooo oor oos oot or- ora orb ord ori oro orr ors ort oru os- osa osb osd osi oso osr oss ost osu ot- ota otb otd oti oto otr ots ott otu ou- oua oud oui ouo our ous out ra- raa rab rad rai rao rar ras rat rau rba rbb rbd rbi rbo rbr rbs rbt rbu rda rdb rdd rdi rdo rdr rds rdt rdu ria rib rid rii rio rir ris rit roa rob rod roi roo ror ros rot rou rra rrb rrd rri rrr rrs rrt rru rsa rsb rsd rsi rso rsr rss rst rsu rta rtb rtd rti rto rtr rts rtt rtu rua rub rud rui ruo rur rus rut ruu saa sab sad sai sao sar sas sat sau sba sbb sbd sbi sbo sbr sbs sbt sbu sda sdb sdd sdi sdo sdr sds sdt sdu sia sib sid sii sio sir sis sit siu soa sob sod soi soo sor sos sot sou sr- sra srb srd sri sro srr srs srt ss- ssa ssb ssd ssi sso ssr sss sst ssu sta stb std sti sto str sts stt stu sua sub sud sui suo sur sus sut suu taa tab tad tai tao tar tas tat tau tba tbb tbd tbi tbo tbr tbs tbt tbu tda tdb tdd tdi tdo tdr tds tdt tdu tia tib tid tii tio tir tis tit tiu to- toa tob tod toi too tor tos tot tou tra trb trd tri tro trr trs trt tru tsa tsb tsd tsi tso tsr tss tst tsu tta ttb ttd tti tto ttr tts ttt ttu tua tub tud tui tuo tur tus tut tuu ua- uaa uab uad uai uao uar uas uat uau uba ubb ubi ubo ubr ubs ubt ubu uda udb udd udi udo udr uds udt udu uia uib uid uii uio uir uis uit uiu uoa uob uod uoo uor uos uot ur- ura urb urd uri uro urr urs urt uru usa usb usd usi uso usr uss ust usu uta utb utd uti uto utr uts utt utu uua uur uus uut uuu

-ous a-do a-ii aaaa aaab aaad aaai aaar aaas aaba aabb aabd aabi aabt aada aadi aads aadt aadu aaib aaii aais aaoo aara aard aari aaro aars aart aaru aasa aasd aasi aass aast aasu aata aatt aaus abaa abab abad abai abar abas abat abau abb- abba abbb abbi abbo abbr abbs abbt abda abdi abdo abdu abia abib abid abir abis abit abiu aboa abob abod aboo abor abos abot abou abra abri abro abrs abs- absa absd absi abss absu abta abts abtu abua abud abus abut adaa adab adad adai adao adar adas adat adba adbi adda addd addi addo addr adds addu adia adib adio adir adis adit adob adod adoo ador ados adot adra adro adrs adsa adsi adso adsr adss adst adta adts adua adub adur aiai aias aiba aibo aida aidb aidi aidr aids aidt aidu aiia aiib aiid aiir aioi aira aird airi airo airs airt aisa aisb aisd aisi aiso aisr aist aita aiti aitr aits aitt aitu aiud aiui aoba aora aorb aors aort aosd aoss aotd aous aout arab arad arai arar aras arat arau arba arbi arbs arda ardi ardo ards ardu aria arib arid arii ario aris arit aroa arob arod aroi aroo aror aros arr- arra arri arro arrr arrs arrt arru ars- arsa arsd arsi arso arst arsu arta arti arto artr arts arua arub arud arui arut asaa asab asad asai asao asar asas asat asau asba asbo asbu asda asdo asds asia asii asio asir asis asit