dddd ddss didi dids diii diis din- dini dinn dins dird dirr dirs dis- disd disi diss dnis drin drrs dsdr dsri dsrr dssi dssn idid idin idir idis idss iiii iiis iirs iisd iisi iisr ind- indi inds inid inis inni innr inns inri inrs inss irds iri- irid irin iris irri irrs isdn isds isin isis isri issi issr isss n-ii ndri ndsi ndss nidd nidi nids niir nind nini nins nirs nisd nisi niss nnnn nnss nrds nrrd nsds nsin nsis nsnr nsrd nssr nsss ridd ridi rids riin riis rind rinn riri rirs risd risi riss rnds rnin rrrr rsdd rsds rsid rsis rsnn rsnr s-ii sdds sdrs sdss sidd sidi sidr sids sind sini sinn sins siri sirr sirs sisd sisi siss snid snir snns snrs snsd sris srni srnn srsd ssdd ssid ssin ssis ssns ssri ssrs sssi ssss