-al -ol a-a a-b a-c aaa aab aac aak aal aao aar aaw ab- aba abb abc abk abl abo abr abw ac- aca acb acc ack acl aco acr acw aka akb akc akk akl ako akr akw al- ala alb alc alk all alo alr alw aoa aob aoc aok aol aoo aor aow ar- ara arb arc ark arl aro arr arw aw- awa awb awc awk awl awo awr aww baa bab bac bak bal bao bar baw bba bbb bbc bbk bbl bbo bbr bbw bca bcb bcc bck bcl bco bcr bka bkb bkc bkk bkl bko bkr bkw bla blb blc blk bll blo blr boa bob boc bok bol boo bor bow bra brb brk brl bro brr brw bwa bwb bwc bwk bwl bwo bwr c-- caa cab cac cak cal cao car caw cba cbb cbc cbk cbl cbo cbr cbw cca ccb ccc cck ccl cco ccr ccw cka ckb ckc cko ckw cl- cla clb clc clk cll clo clr clw co- coa cob coc cok col coo cor cow cra crb crc crk crl cro crr crw cw- cwa cwb cwc cwk cwl cwo cwr ka- kaa kab kac kak kal kao kar kaw kba kbb kbc kbk kbl kbo kbr kbw kca kcb kcc kck kcl kcr kkb kkc kkk kkl kkr kl- kla klb klc klo klr koa kob koc kok kol koo kor kow kra krc krk krl kro krr krw kw- kwa kwc kwk kwo kww la- laa lab lac lak lal lao lar law lba lbb lbc lbk lbl lbo lbr lbw lca lcb lcc lck lcl lco lcr lcw lka lkb lkl lkr lla llb llc llk lll llo llr llw loa lob loc lok lol loo lor low lra lrb lrc lrk lro lrr lrw lwa lwb lwc lwl lwo lwr lww oaa oab oac oak oal oao oar oaw ob- oba obb obc obk obl obo obr obw oc- oca ocb occ ock ocl oco ocr ocw oka okb okc okk okl oko okr okw ola olb olc olk oll olo olw oo- ooa oob ooc ook ool ooo oor oow or- ora orb orc ork orl oro orr owa owb owc owk owl owo oww ra- raa rab rac rak ral rao rar raw rba rbb rbc rbk rbl rbo rbr rbw rca rcb rcc rcl rco rcr rcw rkb rkc rkk rko rla rlc rll rlo rlr rlw roa rob roc rok rol roo ror row rra rrb rrc rrk rrl rrr rwa rwb rwc rwl rwr waa wab wac wak wal wao war waw wba wbb wbc wbo wbr wbw wca wcb wcc wck wcl wco wcr wcw wka wkb wkc wko wkr wkw wl- wla wlb wlc wll wlo wlr wlw woa wob woc wok wol woo wor wow wr- wra wrc wrk wrl wro wrr wrw wwa wwc wwl wwo www