bbbb bhir bhit bhrt bibb bibi bihi birb biri birr birt biry bith bitt brih brit brrr bry- btrt btry bttb byit byrt byth h-ii hbit hhhh hibi hibt hihi hiht hiit hiri hirt hiti hitt hrib hrit hrtb hryb httr hyrt i-by ibri ibtb ibyi ihit iiht iiii iiit iitr iitt irby iri- iriy irri irti itby itri itry itty rbbb rbbr rhib rib- riby riht riri rith riti ritt rrrr ryhb ryth rytt ryyt tbit tbrb thi- thir thri thtb thtr thyh tibi tiht tiit tirb tiri tirr tiry tith titi titt tiyi tri- trib trit trtr try- tryb ttbb tttt tybi tyht tyir tyr- tyrr tyti tytt tyty ybry yhit yirb yirr yiti ytht yyyy