-al -ol a-a a-b a-c aaa aab aac aal aao aas aaw ab- aba abb abc abl abo abs abw ac- aca acb acc acl aco acs acw al- ala alb alc all alo als alw aoa aob aoc aol aoo aos aow as- asa asb asc asl aso ass asw aw- awa awb awc awl awo aws aww baa bab bac bal bao bas baw bba bbb bbc bbl bbo bbs bbw bca bcb bcc bcl bco bcs bla blb blc bll blo bls boa bob boc bol boo bos bow bsa bsb bsc bsl bso bss bsw bwa bwb bwc bwl bwo bws c-- caa cab cac cal cao cas caw cba cbb cbc cbl cbo cbs cbw cca ccb ccc ccl cco ccs ccw cl- cla clb clc cll clo cls clw co- coa cob coc col coo cos cow csa csb csc csl cso css csw cw- cwa cwb cwc cwl cwo cws la- laa lab lac lal lao las law lba lbb lbc lbl lbo lbs lbw lca lcb lcc lcl lco lcs lcw lla llb llc lll llo lls llw loa lob loc lol loo los low lsa lsb lsc lsl lso lss lsw lwa lwb lwc lwl lwo lws lww oaa oab oac oal oao oas oaw ob- oba obb obc obl obo obs obw oc- oca ocb occ ocl oco ocs ocw ola olb olc oll olo ols olw oo- ooa oob ooc ool ooo oos oow os- osa osb osc osl oso oss osw owa owb owc owl owo ows oww saa sab sac sal sao sas saw sba sbb sbc sbl sbo sbs sbw sca scb scc scl sco scs scw sla slb slc sll slo sls soa sob soc sol soo sos sow ss- ssa ssb ssc ssl sso sss ssw swa swb swc swl swo sws waa wab wac wal wao was waw wba wbb wbc wbo wbs wbw wca wcb wcc wcl wco wcs wcw wl- wla wlb wlc wll wlo wls wlw woa wob woc wol woo wos wow wsa wsb wsc wsl wso wss wsw wwa wwc wwl wwo www