a-a a-b a-z aaa aab aad aak aao aap aar aaw aaz ab- aba abb abd abk abo abp abr abw abz ad- ada adb add adk ado adp adr adw adz aka akb akd akk ako akp akr akw aoa aob aod aok aoo aop aor aow ap- apa apb apd apk apo app apr apw ar- ara arb ard ark aro arp arr arw arz aw- awa awb awd awk awo awp awr aww az- aza azb azd azo azp azw azz b-p baa bab bad bak bao bap bar baw baz bba bbb bbd bbk bbo bbp bbr bbw bda bdb bdd bdk bdo bdp bdr bdw bdz bka bkb bkk bko bkp bkr bkw boa bob bod bok boo bop bor bow boz bpa bpb bpd bpo bpp bpr bpw bra brb brd brk bro brp brr brw brz bwa bwb bwd bwk bwo bwp bwr bza bzd bzo bzp bzr bzz daa dab dad dak dao dap dar daw daz dba dbb dbd dbk dbo dbp dbr dbz dda ddb ddd ddk ddo ddp ddr ddw ddz dka dkb dkk dko dkp dkr dkw doa dob dod dok doo dop dor dow doz dpa dpb dpd dpk dpo dpp dpr dpw dpz dra drb drd drk dro drp drr drw drz dwa dwb dwo dwp dwr dww dza dzb dzd dzo dzp dzr k-z ka- kaa kab kad kak kao kap kar kaw kaz kba kbb kbd kbk kbo kbp kbr kbw kbz kda kdb kdk kdo kdp kdr kkb kkk kkp kkr koa kob kod kok koo kop kor kow koz kpa kpd kpk kpo kpp kpr kpw kra krd krk kro krp krr krw kw- kwa kwd kwk kwo kwp kww kzo kzw oaa oab oad oak oao oap oar oaw ob- oba obb obd obk obo obp obr obw oda odb odd odo odp odr oka okb okd okk oko okp okr okw oo- ooa oob ood ook ooo oop oor oow op- opa opb opd opk opo opp opr opw or- ora orb ord ork oro orp orr orz owa owb owd owk owo owp oww oza ozo ozw ozz p-p paa pab pad pak pao pap par paw paz pba pbb pbd pbk pbo pbp pbr pbw pbz pda pdb pdd pdk pdo pdp pdr pdz pka pkb pkd pko pkp pkr poa pob pod pok poo pop por pow poz ppa ppb ppd ppk ppo ppp ppr ppw ppz pra prb prd prk pro prp prr prw prz pwa pwb pwd pwo pwp pwr pzk pzp ra- raa rab rad rak rao rap rar raw raz rba rbb rbd rbk rbo rbp rbr rbw rda rdb rdd rdo rdp rdr rkb rkk rko rkp rkz roa rob rod rok roo rop ror row roz rpa rpb rpd rpk rpo rpp rpr rpw rpz rra rrb rrd rrk rrp rrr rwa rwb rwd rwr rza rzb rzo waa wab wad wak wao wap war waw waz wba wbb wbd wbo wbr wbw wbz wda wdb wdp wdr wdz wka wkb wkd wko wkp wkr wkw woa wob wod wok woo wop wor wow woz wpa wpb wpd wpk wpo wpp wpr wpz wr- wra wrd wrk wro wrp wrr wrw wwa wwd wwo wwp www wzp zaa zab zad zak zao zap zar zaz zbb zbr zbw zka zo- zoa zob zod zok zoo zor zow zpo zpp zpr zro zrp zzr zzz