a-a a-b a-i aaa aab aad aag aai aak aar aas aau ab- aba abb abd abg abi abk abr abs abu ad- ada adb add adg adi adk adr ads adu ag- aga agb agd agg agi agk agr ags agu ai- aia aib aid aig aii aik air ais aiu aka akb akd akg aki akk akr aks aku ar- ara arb ard arg ari ark arr ars aru as- asa asb asd asg asi ask asr ass asu au- aua aub aud aug aui auk aur aus b-u baa bab bad bag bai bak bar bas bau bba bbb bbd bbg bbi bbk bbr bbs bbu bda bdb bdd bdg bdi bdk bdr bds bdu bga bgb bgd bgg bgi bgk bgr bgs bgu bi- bia bib bid big bii bik bir bis biu bka bkb bkg bkk bkr bks bra brb brd brg bri brk brr brs bru bsa bsb bsd bsg bsi bsk bsr bss bsu bua bub bud bug bui buk bur bus buu daa dab dad dag dai dak dar das dau dba dbb dbd dbg dbi dbk dbr dbs dbu dda ddb ddd ddg ddi ddk ddr dds ddu dga dgd dgg dgi dgk dgr dgs dgu di- dia dib did dig dii dik dir dis diu dka dkb dkg dki dkk dkr dks dku dra drb drd drg dri drk drr drs dru dsa dsb dsd dsg dsi dsk dsr dss dsu dua dub dud dug dui duk dur dus g-d gaa gab gad gag gai gak gar gas gau gba gbd gbg gbi gbk gbr gbs gbu gda gdb gdd gdi gdk gdr gds gdu gga ggb ggd ggg ggi ggr ggs ggu gia gib gid gig gii gik gir gis giu gka gkb gkd gks gra grb grd grg gri grk grr grs gru gsa gsb gsd gsg gsi gsk gsr gss gsu gu- gua gub gud gug gui guk gur gus guu i-d ia- iaa iab iad iag iai iar ias iau iba ibb ibd ibg ibi ibk ibr ibs ibu ida idb idd idg idi idk idr ids idu iga igb igd igg igi igk igr igs igu iia iib iid iii iir iis iiu ika ikb iki ikk ikr iks iku ir- ira irb ird irg iri irk irr irs iru is- isa isb isd isg isi isk isr iss isu iu- iua iub iud iug iui iur ius ka- kaa kab kad kag kai kak kar kas kau kba kbb kbd kbi kbk kbr kbs kbu kda kdb kdg kdk kdr kds kdu kga kgb kgd kgi kgs kgu kia kib kid kig kii kik kir kis kiu kkb kki kkk kkr kks kku kra krd krg kri krk krr krs kru ksa ksb ksd ksg ksi ksk ksr kss ksu kub kud kug kui kuk kur kus kuu ra- raa rab rad rag rai rak rar ras rau rba rbb rbd rbg rbi rbk rbr rbs rbu rda rdb rdd rdg rdi rdr rds rdu rga rgb rgd rgg rgi rgk rgr rgs ria rib rid rig rii rik rir ris rkb rkg rkk rks rku rra rrb rrd rrg rri rrk rrr rrs rru rsa rsb rsd rsg rsi rsk rsr rss rsu rua rub rud rug rui ruk rur rus ruu saa sab sad sag sai sak sar sas sau sba sbb sbd sbg sbi sbk sbr sbs sbu sda sdb sdd sdg sdi sdk sdr sds sdu sga sgb sgd sgg sgi sgk sgr sgs sgu sia sib sid sig sii sik sir sis siu sk- ska skb skd skg ski skk skr sks sku sr- sra srb srd srg sri srk srr srs ss- ssa ssb ssd ssg ssi ssk ssr sss ssu sua sub sud sug sui suk sur sus suu ua- uaa uab uad uag uai uak uar uas uau uba ubb ubg ubi ubk ubr ubs ubu uda udb udd udg udi udk udr uds udu uga ugb ugg ugi ugk ugr ugs ugu uia uib uid uig uii uir uis uiu uka ukb uki ukk ukr uku ur- ura urb urd urg uri urk urr urs uru usa usb usd usg usi usk usr uss usu uua uug uur uus uuu