a-a a-i aaa aaf aah aai aas af- afa aff afh afi afs aha ahf ahh ahi ahs ai- aia aif aih aii ais as- asa asf ash asi ass faa faf fah fai fas ffa fff ffh ffi ffs fha fhf fhh fhi fhs fia fif fih fii fis fsa fsf fsh fsi fss h-i haa haf hah hai has hfa hff hfh hfi hfs hha hhf hhh hhi hhs hia hif hih hii his hsa hsf hsh hsi hss i-f ia- iaa iaf iah iai ias ifa iff ifi ifs iha ihf ihh ihi ihs iia iif iih iii iis is- isa isf ish isi iss saa saf sah sai sas sfa sff sfh sfi sfs sh- sha shf shh shi shs sia sif sih sii sis ss- ssa ssf ssh ssi sss