-al -ol a-a a-t aaa aad aak aal aao aar aas aat ad- ada add adk adl ado adr ads adt aka akd akk akl ako akr aks al- ala ald alk all alo alr als alt aoa aod aok aol aoo aor aos aot ar- ara ard ark arl aro arr ars art as- asa asd ask asl aso asr ass ast at- ata atd atl ato atr ats att daa dad dak dal dao dar das dat dda ddd ddk ddl ddo ddr dds ddt dka dkk dkl dko dkr dks dkt dl- dla dld dlk dll dlo dlr dls dlt doa dod dok dol doo dor dos dot dra drd drk drl dro drr drs drt dsa dsd dsk dsl dso dsr dss dst dta dtd dtk dtl dto dtr dts dtt k-t ka- kaa kad kak kal kao kar kas kat kda kdk kdl kdo kdr kds kdt kkk kkl kkr kks kkt kl- kla kld klo klr kls klt koa kod kok kol koo kor kos kot kra krd krk krl kro krr krs krt ksa ksd ksk ksl kso ksr kss kst kta ktk ktl kto ktr kts ktt la- laa lad lak lal lao lar las lat lda ldd ldk ldl ldo ldr lds ldt lka lkl lkr lks lkt lla lld llk lll llo llr lls llt loa lod lok lol loo lor los lot lra lrd lrk lro lrr lrs lrt lsa lsd lsk lsl lso lsr lss lst lta ltd ltk ltl lto ltr lts ltt oaa oad oak oal oao oar oas oat oda odd odl odo odr ods odt oka okd okk okl oko okr oks ola old olk oll olo ols olt oo- ooa ood ook ool ooo oor oos oot or- ora ord ork orl oro orr ors ort os- osa osd osk osl oso osr oss ost ot- ota otd otk otl oto otr ots ott ra- raa rad rak ral rao rar ras rat rda rdd rdl rdo rdr rds rdt rkk rko rks rkt rla rld rll rlo rlr rls rlt roa rod rok rol roo ror ros rot rra rrd rrk rrl rrr rrs rrt rsa rsd rsk rsl rso rsr rss rst rta rtd rtk rtl rto rtr rts rtt saa sad sak sal sao sar sas sat sda sdd sdk sdl sdo sdr sds sdt sk- ska skd skk skl sko skr sks skt sla sld slk sll slo slr sls slt soa sod sok sol soo sor sos sot sr- sra srd srk srl sro srr srs srt ss- ssa ssd ssk ssl sso ssr sss sst sta std stk stl sto str sts stt taa tad tak tal tao tar tas tat tda tdd tdk tdl tdo tdr tds tdt tka tkk tkl tko tkr tks tkt tla tld tlk tll tlo tlr tls tlt to- toa tod tok tol too tor tos tot tra trd trk trl tro trr trs trt tsa tsd tsk tsl tso tsr tss tst tta ttd ttk ttl tto ttr tts ttt