a-a a-b a-i a-t aaa aab aai aak aao aar aas aat aav aay ab- aba abb abi abk abo abr abs abt abv aby ai- aia aib aii aik aio air ais ait aiv aiy aka akb aki akk ako akr aks akv aoa aob aoi aok aoo aor aos aot aov ar- ara arb ari ark aro arr ars art arv ary as- asa asb asi ask aso asr ass ast asv asy at- ata atb ati ato atr ats att atv av- ava avb avi avk avo avr avs avt avy ay- aya ayi ayk ayo ayr ays ayt baa bab bai bak bao bar bas bat bav bay bba bbb bbi bbk bbo bbr bbs bbt bby bi- bia bib bii bik bio bir bis bit biv biy bka bkb bkk bko bkr bks bkt bkv boa bob boi bok boo bor bos bot bov boy bra brb bri brk bro brr brs brt brv bry bsa bsb bsi bsk bso bsr bss bst bsv bsy bta btb bti btk bto btr bts btt btv bty bva bvb bvi bvk bvo bvr bvs bvt bvv by- bya byi byk byo byr bys byt i-v ia- iaa iab iai iao iar ias iat iav iba ibb ibi ibk ibo ibr ibs ibt ibv iby iia iib iii iio iir iis iit ika ikb iki ikk iko ikr iks ikt ikv io- ioa iob ioi ioo ior ios iot iov ir- ira irb iri irk iro irr irs irt irv iry is- isa isb isi isk iso isr iss ist isv isy ita itb iti itk ito its itt itv ity iva ivb ivi ivo ivr ivs ivt ivv ivy iya iyo iyr iys iyt iyy k-t ka- kaa kab kai kak kao kar kas kat kav kay kba kbb kbi kbk kbo kbr kbs kia kib kii kik kio kir kis kit kiv kkb kki kkk kkr kks kkt kkv kky koa kob koi kok koo kor kos kot koy kra kri krk kro krr krs krt krv kry ksa ksb ksi ksk kso ksr kss kst ksv kta ktb ktk kto ktr kts ktt ktv kva kvb kvi kvk kvo kvr kvs kvv kya kyo kyr kys kyt o-i oaa oab oai oak oao oar oas oat oav ob- oba obb obi obk obo obr obs obt obv oby oia oib oii oik oio oir ois oit oiv oka okb oki okk oko okr oks oo- ooa oob ooi ook ooo oor oos oot oov or- ora orb ori ork oro orr ors ort orv ory os- osa osb osi osk oso osr oss ost osv ot- ota otb oti otk oto otr ots ott otv ov- ova ovb ovi ovo ovs ovv oya oyi oyo oys ra- raa rab rai rak rao rar ras rat rav ray rba rbb rbi rbk rbo rbr rbs rbt ria rib rii rik rio rir ris rit riv riy rkb rkk rko rks rkt rkv rky roa rob roi rok roo ror ros rot rov roy rra rrb rri rrk rrr rrs rrt rsa rsb rsi rsk rso rsr rss rst rsv rta rtb rti rtk rto rtr rts rtt rtv rty rva rvb rvi rvo rvr rvs rvt rvv rvy ry- rya ryk ryo ryr rys ryy saa sab sai sak sao sar sas sat sav say sba sbb sbi sbk sbo sbr sbs sbt sbv sby sia sib sii sik sio sir sis sit siv sk- ska skb ski skk sko skr sks skt sky soa sob soi sok soo sor sos sot sov soy sr- sra srb sri srk sro srr srs srt srv sry ss- ssa ssb ssi ssk sso ssr sss sst ssv sta stb sti stk sto str sts stt stv sty sva svb svi svk svo svr svs svt svv svy sy- sya syb syi syk syr sys syt taa tab tai tak tao tar tas tat tav tay tba tbb tbi tbk tbo tbr tbs tbt tbv tia tib tii tik tio tir tis tit tiv tiy tka tkb tkk tko tkr tks tkt tky to- toa tob toi tok too tor tos tot tov toy tra trb tri trk tro trr trs trt trv try tsa tsb tsi tsk tso tsr tss tst tsv tsy tta ttb tti ttk tto ttr tts ttt ttv tty tva tvb tvi tvk tvo tvr tvs tvt tvy tya tyo tyr tys tyt v-a vaa vab vai vak vao var vas vat vav vay vba vbi vbk vbo vbr vbs vbv vi- via vib vii vik vio vir vis vit viv viy vka vkb vkt voa vob voi vok voo vor vos vot vov voy vra vrb vri vrk vrr vrs vrt vry vsa vsb vsi vsk vso vsr vss vst vsv vta vtb vti vtk vto vtr vts vtt vtv vty vva vvb vvi vvo vvr vvs vvt vvv vyt yaa yab yai yak yao yar yas yat yav yay ybi ybr ybs yby yii yio yir yis yit yka yki ykk yob yoi yok yoo yor yos yot yoy yra yro yrs yrt ysa ysb ysi ysk yso ysr yss yst ysy yta ytk yto ytr yts ytt ytv yva yvi yvo yvr yvy yyb yys yyt yyy