a-a a-b a-i aaa aab aad aai aar aas aav ab- aba abb abd abi abr abs abv ad- ada adb add adi adr ads adv ai- aia aib aid aii air ais aiv ar- ara arb ard ari arr ars arv as- asa asb asd asi asr ass asv av- ava avb avd avi avr avs baa bab bad bai bar bas bav bba bbb bbd bbi bbr bbs bda bdb bdd bdi bdr bds bdv bi- bia bib bid bii bir bis biv bra brb brd bri brr brs brv bsa bsb bsd bsi bsr bss bsv bva bvb bvd bvi bvr bvs bvv daa dab dad dai dar das dav dba dbb dbd dbi dbr dbs dbv dda ddb ddd ddi ddr dds di- dia dib did dii dir dis div dra drb drd dri drr drs drv dsa dsb dsd dsi dsr dss dsv dva dvb dvd dvi dvr dvs i-d i-v ia- iaa iab iad iai iar ias iav iba ibb ibd ibi ibr ibs ibv ida idb idd idi idr ids idv iia iib iid iii iir iis ir- ira irb ird iri irr irs irv is- isa isb isd isi isr iss isv iva ivb ivd ivi ivr ivs ivv ra- raa rab rad rai rar ras rav rba rbb rbd rbi rbr rbs rda rdb rdd rdi rdr rds rdv ria rib rid rii rir ris riv rra rrb rrd rri rrr rrs rsa rsb rsd rsi rsr rss rsv rva rvb rvd rvi rvr rvs rvv saa sab sad sai sar sas sav sba sbb sbd sbi sbr sbs sbv sda sdb sdd sdi sdr sds sdv sia sib sid sii sir sis siv sr- sra srb srd sri srr srs srv ss- ssa ssb ssd ssi ssr sss ssv sva svb svd svi svr svs svv v-a vaa vab vad vai var vas vav vba vbd vbi vbr vbs vbv vdb vdd vdi vdr vds vdv vi- via vib vid vii vir vis viv vra vrb vrd vri vrr vrs vsa vsb vsd vsi vsr vss vsv vva vvb vvi vvr vvs vvv