a-a a-b a-i a-t aaa aab aad aai aao aar aas aat aau aav aay ab- aba abb abd abi abo abr abs abt abu abv aby ad- ada adb add adi ado adr ads adt adu adv ady ai- aia aib aid aii aio air ais ait aiu aiv aiy aoa aob aod aoi aoo aor aos aot aou aov ar- ara arb ard ari aro arr ars art aru arv ary as- asa asb asd asi aso asr ass ast asu asv asy at- ata atb atd ati ato atr ats att atu atv au- aua aub aud aui auo aur aus aut auv av- ava avb avd avi avo avr avs avt avu avy ay- aya ayd ayi ayo ayr ays ayt ayu b-u baa bab bad bai bao bar bas bat bau bav bay bba bbb bbd bbi bbo bbr bbs bbt bbu bby bda bdb bdd bdi bdo bdr bds bdt bdu bdv bdy bi- bia bib bid bii bio bir bis bit biu biv biy boa bob bod boi boo bor bos bot bou bov boy bra brb brd bri bro brr brs brt bru brv bry bsa bsb bsd bsi bso bsr bss bst bsu bsv bsy bta btb btd bti bto btr bts btt btu btv bty bua bub bud bui buo bur bus but buu buy bva bvb bvd bvi bvo bvr bvs bvt bvu bvv by- bya byd byi byo byr bys byt byu daa dab dad dai dao dar das dat dau dav day dba dbb dbd dbi dbo dbr dbs dbt dbu dbv dby dda ddb ddd ddi ddo ddr dds ddt ddu ddy di- dia dib did dii dio dir dis dit diu div diy doa dob dod doi doo dor dos dot dou dov doy dra drb drd dri dro drr drs drt dru drv dry dsa dsb dsd dsi dso dsr dss dst dsu dsv dsy dta dtb dtd dti dto dtr dts dtt dtu dtv dty dua dub dud dui duo dur dus dut duv duy dva dvb dvd dvi dvr dvs dvt dvu dy- dya dyb dyd dyo dyr dys dyu dyy i-d i-v ia- iaa iab iad iai iao iar ias iat iau iav iba ibb ibd ibi ibo ibr ibs ibt ibu ibv iby ida idb idd idi ido idr ids idt idu idv idy iia iib iid iii iio iir iis iit iiu io- ioa iob iod ioi ioo ior ios iot iou iov ir- ira irb ird iri iro irr irs irt iru irv iry is- isa isb isd isi iso isr iss ist isu isv isy ita itb itd iti ito its itt itu itv ity iu- iua iub iud iui iur ius iut iva ivb ivd ivi ivo ivr ivs ivt ivu ivv ivy iya iyo iyr iys iyt iyy o-i oaa oab oad oai oao oar oas oat oau oav ob- oba obb obd obi obo obr obs obt obu obv oby oda odb odd odi odo odr ods odt odu odv oia oib oid oii oio oir ois oit oiu oiv oo- ooa oob ood ooi ooo oor oos oot oov or- ora orb ord ori oro orr ors ort oru orv ory os- osa osb osd osi oso osr oss ost osu osv ot- ota otb otd oti oto otr ots ott otu otv ou- oua oud oui ouo our ous out ov- ova ovb ovd ovi ovo ovs ovv oya oyd oyi oyo oys ra- raa rab rad rai rao rar ras rat rau rav ray rba rbb rbd rbi rbo rbr rbs rbt rbu rda rdb rdd rdi rdo rdr rds rdt rdu rdv rdy ria rib rid rii rio rir ris rit riv riy roa rob rod roi roo ror ros rot rou rov roy rra rrb rrd rri rrr rrs rrt rru rsa rsb rsd rsi rso rsr rss rst rsu rsv rta rtb rtd rti rto rtr rts rtt rtu rtv rty rua rub rud rui ruo rur rus rut ruu ruv ruy rva rvb rvd rvi rvo rvr rvs rvt rvu rvv rvy ry- rya ryd ryo ryr rys ryu ryy saa sab sad sai sao sar sas sat sau sav say sba sbb sbd sbi sbo sbr sbs sbt sbu sbv sby sda sdb sdd sdi sdo sdr sds sdt sdu sdv sdy sia sib sid sii sio sir sis sit siu siv soa sob sod soi soo sor sos sot sou sov soy sr- sra srb srd sri sro srr srs srt srv sry ss- ssa ssb ssd ssi sso ssr sss sst ssu ssv sta stb std sti sto str sts stt stu stv sty sua sub sud sui suo sur sus sut suu suv suy sva svb svd svi svo svr svs svt svu svv svy sy- sya syb syd syi syr sys syt syu taa tab tad tai tao tar tas tat tau tav tay tba tbb tbd tbi tbo tbr tbs tbt tbu tbv tda tdb tdd tdi tdo tdr tds tdt tdu tdv tdy tia tib tid tii tio tir tis tit tiu tiv tiy to- toa tob tod toi too tor tos tot tou tov toy tra trb trd tri tro trr trs trt tru trv try tsa tsb tsd tsi tso tsr tss tst tsu tsv tsy tta ttb ttd tti tto ttr tts ttt ttu ttv tty tua tub tud tui tuo tur tus tut tuu tuv tuy tva tvb tvd tvi tvo tvr tvs tvt tvu tvy tya tyd tyo tyr tys tyt ua- uaa uab uad uai uao uar uas uat uau uav uay uba ubb ubi ubo ubr ubs ubt ubu ubv uby uda udb udd udi udo udr uds udt udu udv 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 ury usa usb usd usi uso usr uss ust usu usv uta utb utd uti uto