a-a aaa aah aan aao aar aas aax aha ahh ahn aho ahr ahs ahx an- ana anh ann ano anr ans anx aoa aoh aon aoo aor aos aox ar- ara arh arn aro arr ars arx as- asa ash asn aso asr ass asx ax- axa axh axn axo axr axs axx haa hah han hao har has hax hha hhh hhn hho hhr hhs hna hnh hnn hno hns hoa hoh hon hoo hor hos hox hr- hra hrh hrn hro hrr hrs hsa hsh hsn hsr hss hsx naa nah nan nao nar nas nax nha nhh nhn nhr nhs nna nnh nnn nno nns no- noa noh non noo nor nos nox nra nrn nro nrr nrs nrx nsa nsh nsn nso nsr nss nsx oaa oah oan oao oar oas oax oha ohh ohn oho ohr ohs on- ona onh onn ono onr ons onx oo- ooa ooh oon ooo oor oos oox or- ora orh orn oro orr ors orx os- osa osh osn oso osr oss osx ox- oxa oxn oxo oxx ra- raa rah ran rao rar ras rax rh- rha rhh rhn rho rhr rhs rna rnh rnn rno rnr rns roa roh ron roo ror ros rox rra rrh rrn rrr rrs rsa rsh rsn rso rsr rss rsx rxr rxs saa sah san sao sar sas sax sh- sha shh shn sho shr shs sna snn sno snr sns soa soh son soo sor sos sox sr- sra srh srn sro srr srs srx ss- ssa ssh ssn sso ssr sss ssx sxn sxs xaa xan xar xas xna xno xns xoa xon xoo xor xos xox xrx xsa xss xxo xxx