a-a a-i a-t aaa aai aar aas aat aau ai- aia aii air ais ait aiu ar- ara ari arr ars art aru as- asa asi asr ass ast asu at- ata ati atr ats att atu au- aua aui aur aus aut ia- iaa iai iar ias iat iau iia iii iir iis iit iiu ir- ira iri irr irs irt iru is- isa isi isr iss ist isu ita iti its itt itu iu- iua iui iur ius iut ra- raa rai rar ras rat rau ria rii rir ris rit rra rri rrr rrs rrt rru rsa rsi rsr rss rst rsu rta rti rtr rts rtt rtu rua rui rur rus rut ruu saa sai sar sas sat sau sia sii sir sis sit siu sr- sra sri srr srs srt ss- ssa ssi ssr sss sst ssu sta sti str sts stt stu sua sui sur sus sut suu taa tai tar tas tat tau tia tii tir tis tit tiu tra tri trr trs trt tru tsa tsi tsr tss tst tsu tta tti ttr tts ttt ttu tua tui tur tus tut tuu ua- uaa uai uar uas uat uau uia uii uir uis uit uiu ur- ura uri urr urs urt uru usa usi usr uss ust usu uta uti utr uts utt utu uua uur uus uut uuu