ssao ssas ssca sscc ssce sscs ssec ssee ssem sses ssmc ssns ssoc sssa sssc sssm ssss syam syce syck syco syen syes syke sym- syma syme syms syn- sync syne synk syns syny syon syse syso syss syyk yaak yaan yaas yacc yack yaco yacy yaka yako yaks yama yame yamm yamn yamo yams yana yane yank yann yano yans yasa yask yasm yaso yass yaya yayo yays ycao yccc ycee yean yeas yeck yeek yeen yees yeka yeke yema yeme yemm yemn yenc yene yens yeom yeon yeos yesa yesk yesm yeso yess yeye yeyo ykan ykes ykey ykko yksc ymas ymca ymck ymen ymne ymns ynca ynce ynes ynke ynne ynoa ynon yoak yoan yock yoen yoke yoko yoks yoky yoma yomo yona yone yonk yono yons yook yoon yoso yoye yoyn yoyo ysay ysco ysee ysen yses yson ysse yyyy