-er a-a a-i aaa aae aai aar aas aaw aax aea aee aei aer aes aew aex ai- aia aie aii air ais aiw aix ar- ara are ari arr ars arw arx as- asa ase asi asr ass asw asx aw- awa awe awi awr aws aww ax- axa axe axi axr axs axx eaa eae eai ear eas eaw eax eea eee eer ees eew eex eia eie eii eir eis eix era ere eri err ers erw es- esa ese esi esr ess esw esx ewa ewe ewi ewr ews eww ex- exa exe exi exr exs exw exx ia- iaa iae iai iar ias iaw ie- iea iee iei ier ies iex iia iie iii iir iis iiw iix ir- ira ire iri irr irs irx is- isa ise isi isr iss isw iwa iwe iwi iwr iws iww ixe ixi ra- raa rae rai rar ras raw rax re- rea ree rei rer res rew rex ria rie rii rir ris rix rra rri rrr rrs rsa rse rsi rsr rss rsw rsx rwa rwe rwi rwr rws rxr rxs saa sae sai sar sas saw sax se- sea see sei ser ses sew sex sia sie sii sir sis siw six sr- sra sre sri srr srs srw srx ss- ssa sse ssi ssr sss ssw ssx swa swe swi swr sws sxi sxs waa wae wai war was waw wax wea wee wei wer wes wew wex wia wie wii wir wis wix wr- wra wre wri wrr wrs wrw wrx wsa wse wsi wsr wss wsw wsx wwa wwe wwi www wxw xaa xar xas xee xer xes xew xex xia xie xii xis xix xrx xsa xsi xss xwa xxi xxx