a-a a-b a-i aaa aab aad aah aai aar aas aav ab- aba abb abd abh abi abr abs abv ad- ada adb add adh adi adr ads adv aha ahb ahd ahh ahi ahr ahs ahv ai- aia aib aid aih aii air ais aiv ar- ara arb ard arh ari arr ars arv as- asa asb asd ash asi asr ass asv av- ava avb avd avh avi avr avs baa bab bad bah bai bar bas bav bba bbb bbd bbh bbi bbr bbs bda bdb bdd bdh bdi bdr bds bdv bha bhb bhd bhh bhi bhr bhs bhv bi- bia bib bid bih bii bir bis biv bra brb brd brh bri brr brs brv bsa bsb bsd bsh bsi bsr bss bsv bva bvb bvd bvh bvi bvr bvs bvv daa dab dad dah dai dar das dav dba dbb dbd dbh dbi dbr dbs dbv dda ddb ddd ddh ddi ddr dds dh- dha dhb dhd dhh dhi dhr dhs di- dia dib did dih dii dir dis div dra drb drd dri drr drs drv dsa dsb dsd dsh dsi dsr dss dsv dva dvb dvd dvh dvi dvr dvs h-i haa hab had hah hai har has hav hba hbb hbd hbh hbi hbr hbs hbv hda hdb hdd hdh hdi hdr hds hdv hha hhb hhd hhh hhi hhr hhs hhv hia hib hid hih hii hir his hiv hr- hra hrb hrd hrh hri hrr hrs hrv hsa hsb hsd hsh hsi hsr hss hsv hv- hva hvb hvd hvr hvs hvv i-d i-v ia- iaa iab iad iah iai iar ias iav iba ibb ibd ibh ibi ibr ibs ibv ida idb idd idh idi idr ids idv iha ihb ihd ihh ihi ihr ihs ihv iia iib iid iih iii iir iis ir- ira irb ird iri irr irs irv is- isa isb isd ish isi isr iss isv iva ivb ivd ivi ivr ivs ivv ra- raa rab rad rah rai rar ras rav rba rbb rbd rbh rbi rbr rbs rda rdb rdd rdh rdi rdr rds rdv rh- rha rhb rhd rhh rhi rhr rhs rhv ria rib rid rih rii rir ris riv rra rrb rrd rrh rri rrr rrs rsa rsb rsd rsh rsi rsr rss rsv rva rvb rvd rvh rvi rvr rvs rvv saa sab sad sah sai sar sas sav sba sbb sbd sbh sbi sbr sbs sbv sda sdb sdd sdh sdi sdr sds sdv sh- sha shb shd shh shi shr shs shv sia sib sid sih sii sir sis siv sr- sra srb srd srh sri srr srs srv ss- ssa ssb ssd ssh ssi ssr sss ssv sva svb svd svi svr svs svv v-a vaa vab vad vah vai var vas vav vba vbd vbh vbi vbr vbs vbv vdb vdd vdh vdi vdr vds vdv vh- vha vhb vhd vhi vhs vi- via vib vid vii vir vis viv vra vrb vrd vrh vri vrr vrs vsa vsb vsd vsh vsi vsr vss vsv vva vvb vvi vvr vvs vvv