-al -ol a-a a-i aaa aaf aai aak aal aao aap aar af- afa aff afi afk afl afo afp afr ai- aia aif aii aik ail aio aip air aka aki akk akl ako akp akr al- ala alf ali alk all alo alp alr aoa aof aoi aok aol aoo aop aor ap- apa apf api apk apl apo app apr ar- ara arf ari ark arl aro arp arr faa faf fai fak fal fao fap far ffa fff ffi ffk ffl ffo ffp ffr fia fif fii fik fil fip fir fka fkf fki fkk fkl fkp fla flf fli fll flo flp flr foa fof foi fok fol foo fop for fpa fpi fpk fpl fpo fpp fpr fra frf fri frk frl fro frp frr i-f ia- iaa iaf iai ial iao iap iar ifa iff ifi ifl ifo ifp ifr iia iif iii iil iio iip iir ika ikf iki ikk ikl iko ikr il- ila ilf ili ilk ill ilo ilp ilr io- ioa iof ioi iol ioo iop ior ipa ipf ipi ipl ipo ipp ipr ir- ira irf iri irk irl iro irp irr ka- kaa kaf kai kak kal kao kap kar kfa kff kfi kfo kia kif kii kik kil kio kip kir kki kkk kkl kkp kkr kl- kla klf kli klo klr koa kof koi kok kol koo kop kor kpa kpf kpi kpk kpl kpo kpp kpr kra krf kri krk krl kro krp krr l-p la- laa laf lai lak lal lao lap lar lfa lff lfi lfk lfl lfo lfp lfr lia lif lii lik lil lio lip lir lka lkl lkp lkr lla llf lli llk lll llo llp llr loa lof loi lok lol loo lop lor lpa lpf lpi lpk lpl lpo lpp lpr lra lrf lri lrk lro lrp lrr o-i oaa oaf oai oak oal oao oap oar of- ofa off ofi ofl ofo ofp ofr oia oif oii oik oil oio oip oir oka oki okk okl oko okp okr ola olf oli olk oll olo olp oo- ooa oof ooi ook ool ooo oop oor op- opa opf opi opk opl opo opp opr or- ora orf ori ork orl oro orp orr p-p paa paf pai pak pal pao pap par pfa pff pfi pfk pfl pfo pfp pfr pia pif pii pik pil pio pip pir pka pkf pki pkl pko pkp pkr pla plf pli plk pll plo plp plr poa pof poi pok pol poo pop por ppa ppf ppi ppk ppl ppo ppp ppr pra prf pri prk prl pro prp prr ra- raa raf rai rak ral rao rap rar rfa rff rfi rfk rfl rfo rfp rfr ria rif rii rik ril rio rip rir rkf rkk rko rkp rla rlf rli rll rlo rlp rlr roa rof roi rok rol roo rop ror rpa rpf rpi rpk rpl rpo rpp rpr rra rrf rri rrk rrl rrp rrr