-al -ol a-a a-i aaa aaf aai aak aal aao aas aav af- afa aff afi afk afl afo afs afv ai- aia aif aii aik ail aio ais aiv aka aki akk akl ako aks akv al- ala alf ali alk all alo als alv aoa aof aoi aok aol aoo aos aov as- asa asf asi ask asl aso ass asv av- ava avf avi avk avl avo avs faa faf fai fak fal fao fas fav ffa fff ffi ffk ffl ffo ffs ffv fia fif fii fik fil fis fka fkf fki fkk fkl fla flf fli fll flo fls foa fof foi fok fol foo fos fsa fsf fsi fsk fsl fso fss fsv fva fvk i-f i-v ia- iaa iaf iai ial iao ias iav ifa iff ifi ifl ifo ifs iia iif iii iil iio iis ika ikf iki ikk ikl iko iks ikv il- ila ilf ili ilk ill ilo ils ilv io- ioa iof ioi iol ioo ios iov is- isa isf isi isk isl iso iss isv iva ivf ivi ivl ivo ivs ivv ka- kaa kaf kai kak kal kao kas kav kfa kff kfi kfo kfs kia kif kii kik kil kio kis kiv kki kkk kkl kks kkv kl- kla klf kli klo kls klv koa kof koi kok kol koo kos ksa ksf ksi ksk ksl kso kss ksv kva kvi kvk kvo kvs kvv la- laa laf lai lak lal lao las lav lfa lff lfi lfk lfl lfo lfs lia lif lii lik lil lio lis liv lka lkl lks lla llf lli llk lll llo lls llv loa lof loi lok lol loo los lov lsa lsf lsi lsk lsl lso lss lsv lva lvf lvi lvl lvs lvv o-i oaa oaf oai oak oal oao oas oav of- ofa off ofi ofl ofo ofs ofv oia oif oii oik oil oio ois oiv oka oki okk okl oko oks ola olf oli olk oll olo ols oo- ooa oof ooi ook ool ooo oos oov os- osa osf osi osk osl oso oss osv ov- ova ovf ovi ovl ovo ovs ovv saa saf sai sak sal sao sas sav sfa sff sfi sfk sfl sfo sfs sfv sia sif sii sik sil sio sis siv sk- ska skf ski skk skl sko sks sla slf sli slk sll slo sls slv soa sof soi sok sol soo sos sov ss- ssa ssf ssi ssk ssl sso sss ssv sva svf svi svk svl svo svs svv v-a vaa vai vak val vao vas vav vfa vff vfi vfl vfs vfv vi- via vif vii vik vil vio vis viv vka vl- vla vlf vlk vll vlo vls vlv voa vof voi vok vol voo vos vov vsa vsf vsi vsk vsl vso vss vsv vva vvi vvo vvs vvv