nns nnu nsa nsb nsc nse nsh nsi nsm nsn nss nsu nua nub nuc nue nuh nui nuj num nun nus nuu saa sab sac sae sah sai saj sam san sas sau sba sbb sbc sbe sbh sbi sbj sbm sbn sbs sbu sca scb scc sce sch sci scj scm scn scs scu se- sea seb sec see seh sei sej sem sen ses seu sh- sha shb shc she shh shi shm shn shs shu sia sib sic sie sih sii sij sim sin sis siu sja sjb sjc sje sjh sji sjj sjm sjs sju sma smb smc sme smh smi smm smn sms smu sna snb snc sne sni snj snm snn sns snu ss- ssa ssb ssc sse ssh ssi ssj ssm ssn sss ssu sua sub suc sue suh sui sum sun sus suu ua- uaa uab uac uae uah uai uaj uam uan uas uau uba ubb ubc ube ubh ubi ubn ubs ubu uca ucb ucc uce uch uci ucj ucm ucn ucs ucu uea ueb uec uee ueh uei uem uen ues uha uhb uhc uhe uhh uhi uhj uhm uhs uhu uia uib uic uie uii uim uin uis uiu ujc uji ujs um- uma umb umc ume umh umi umm umn ums umu un- una unb unc une unh uni unm unn uns unu usa usb usc use ush usi usj usm usn uss usu uua uuc uue uum uun uus uuu