-al -ol a-a aaa aad aaf aak aal aao aar aas aau ad- ada add adf adk adl ado adr ads adu af- afa afd aff afk afl afo afr afs afu aka akd akk akl ako akr aks aku al- ala ald alf alk all alo alr als alu aoa aod aof aok aol aoo aor aos aou ar- ara ard arf ark arl aro arr ars aru as- asa asd asf ask asl aso asr ass asu au- aua aud auf auk aul auo aur aus daa dad daf dak dal dao dar das dau dda ddd ddf ddk ddl ddo ddr dds ddu dfa dfd dff dfk dfl dfo dfr dfs dfu dka dkk dkl dko dkr dks dku dl- dla dld dlf dlk dll dlo dlr dls dlu doa dod dof dok dol doo dor dos dou dra drd drk drl dro drr drs dru dsa dsd dsf dsk dsl dso dsr dss dsu dua dud duf duk dul duo dur dus faa fad faf fak fal fao far fas fau fda fdd fdf fdk fdl fdo fdr fds fdu ffa ffd fff ffk ffl ffo ffr ffs ffu fka fkf fkk fkl fla fld flf fll flo flr fls flu foa fof fok fol foo for fos fou fra frd frf frk frl fro frr frs fru fsa fsd fsf fsk fsl fso fsr fss fsu fua fud fuf fuk ful fuo fur fus fuu ka- kaa kad kaf kak kal kao kar kas kau kda kdf kdk kdl kdo kdr kds kdu kfa kfd kff kfo kfs kfu kkk kkl kkr kks kku kl- kla kld klf klo klr kls klu koa kod kof kok kol koo kor kos kou kra krd krf krk krl kro krr krs kru ksa ksd ksf ksk ksl kso ksr kss ksu kud kuk kul kur kus kuu la- laa lad laf lak lal lao lar las lau lda ldd ldf ldk ldl ldo ldr lds ldu lfa lfd lff lfk lfl lfo lfr lfs lfu lka lkl lkr lks lla lld llf llk lll llo llr lls llu loa lod lof lok lol loo lor los lou lra lrd lrf lrk lro lrr lrs lru lsa lsd lsf lsk lsl lso lsr lss lsu lua lud luf luk lul luo lur lus luu oaa oad oaf oak oal oao oar oas oau oda odd odf odl odo odr ods odu of- ofa ofd off ofl ofo ofr ofs ofu oka okd okk okl oko okr oks oku ola old olf olk oll olo ols olu oo- ooa ood oof ook ool ooo oor oos or- ora ord orf ork orl oro orr ors oru os- osa osd osf osk osl oso osr oss osu ou- oua oud ouf ouk oul ouo our ous ra- raa rad raf rak ral rao rar ras rau rda rdd rdf rdl rdo rdr rds rdu rfa rfd rff rfk rfl rfo rfr rfs rfu rkf rkk rko rks rku rla rld rlf rll rlo rlr rls rlu roa rod rof rok rol roo ror ros rou rra rrd rrf rrk rrl rrr rrs rru rsa rsd rsf rsk rsl rso rsr rss rsu rua rud ruf ruk ruo rur rus ruu saa sad saf sak sal sao sar sas sau sda sdd sdf sdk sdl sdo sdr sds sdu sfa sfd sff sfk sfl sfo sfr sfs sfu sk- ska skd skf skk skl sko skr sks sku sla sld slf slk sll slo slr sls slu soa sod sof sok sol soo sor sos sou sr- sra srd srf srk srl sro srr srs ss- ssa ssd ssf ssk ssl sso ssr sss ssu sua sud suf suk sul suo sur sus suu ua- uaa uad uaf uak ual uao uar uas uau uda udd udf udk udl udo udr uds udu ufa ufd uff ufl ufo ufr ufs ufu uka ukf ukk ukl ukr uku ula uld ulf ulk ull ulo ulr uls ulu uoa uod uok uol uoo uor uos ur- ura urd urf urk url uro urr urs uru usa usd usf usk usl uso usr uss usu uua uur uus uuu