a-a a-i aaa aaf aai aar aaw af- afa aff afi afr afw ai- aia aif aii air aiw ar- ara arf ari arr arw aw- awa awf awi awr aww faa faf fai far faw ffa fff ffi ffr ffw fia fif fii fir fra frf fri frr frw fwa fwf fwi i-f ia- iaa iaf iai iar iaw ifa iff ifi ifr iia iif iii iir iiw ir- ira irf iri irr iwa iwf iwi iwr iww ra- raa raf rai rar raw rfa rff rfi rfr rfw ria rif rii rir rra rrf rri rrr rwa rwf rwi rwr waa waf wai war waw wfa wff wfi wfr wfw wia wif wii wir wr- wra wrf wri wrr wrw wwa wwf wwi www