a-a aaa aan aao aar aas aau aax aay an- ana ann ano anr ans anu anx any aoa aon aoo aor aos aou aox ar- ara arn aro arr ars aru arx ary as- asa asn aso asr ass asu asx asy au- aua aun auo aur aus aux ax- axa axn axo axr axs axx ay- aya ayn ayo ayr ays ayu ayx naa nan nao nar nas nau nax nay nna nnn nno nns nnu no- noa non noo nor nos nou nox noy nra nrn nro nrr nrs nru nrx nry nsa nsn nso nsr nss nsu nsx nsy nua nun nuo nur nus nuu nux nuy nya nyn nyo nys nyu nyx nyy oaa oan oao oar oas oau oax on- ona onn ono onr ons onu onx ony oo- ooa oon ooo oor oos oox or- ora orn oro orr ors oru orx ory os- osa osn oso osr oss osu osx ou- oua oun ouo our ous ox- oxa oxn oxo oxx oxy oya oyo oys ra- raa ran rao rar ras rau rax ray rna rnn rno rnr rns rnu rny roa ron roo ror ros rou rox roy rra rrn rrr rrs rru rsa rsn rso rsr rss rsu rsx rua run ruo rur rus ruu rux ruy rxr rxs ry- rya ryn ryo ryr rys ryu ryy saa san sao sar sas sau sax say sna snn sno snr sns snu sny soa son soo sor sos sou sox soy sr- sra srn sro srr srs srx sry ss- ssa ssn sso ssr sss ssu ssx sua sun suo sur sus suu sux suy sxn sxs sxu sy- sya syn syr sys syu syx ua- uaa uan uao uar uas uau uay un- una unn uno unr uns unu unx uny uoa uon uoo uor uos uox ur- ura urn uro urr urs uru urx ury usa usn uso usr uss usu usx uua uun uur uus uuu uxo uxr uxu uyo uys uyu xaa xan xar xas xau xna xno xns xnu xoa xon xoo xor xos xox xrx xry xsa xss xun xus xxo xxx xxy xyr xyy yaa yan yao yar yas yau yax yay yna ynn yns ynu yny yon yoo yor yos you yox yoy yra yrn yro yrs yru ysa yso ysr yss ysu ysy yua yun yuo yur yus yuu yux yuy yxa yxy yys yyu yyy