a-a a-b a-i a-q aaa aab aai aaq aas aau ab- aba abb abi abq abs abu ai- aia aib aii aiq ais aiu aqa aqi aqs as- asa asb asi asq ass asu au- aua aub aui aus b-u baa bab bai baq bas bau bba bbb bbi bbq bbs bbu bi- bia bib bii bis biu bsa bsb bsi bss bsu bua bub bui bus buu ia- iaa iab iai iaq ias iau iba ibb ibi ibs ibu iia iib iii iis iiu iqa iqs iqu is- isa isb isi isq iss isu iu- iua iub iui ius qaa qas qau qba qbq qbs qis qiu qqq qqu qsa qsi qu- qua qui qus saa sab sai saq sas sau sba sbb sbi sbq sbs sbu sia sib sii siq sis siu sqa sqi sqq sqs ss- ssa ssb ssi ssq sss ssu sua sub sui suq sus suu ua- uaa uab uai uaq uas uau uba ubb ubi ubs ubu uia uib uii uiq uis uiu usa usb usi uss usu uua uus uuu